--- product_id: 725541191 title: "KIWI design K4 Boost Quest 3S/3 Compatible Battery Head Strap Comfort Meta Quest 3/3s Compatible Strap High-Speed Charging Ultra-Lightweight Balanced Front and Back Comfortable Wear Compatible with" brand: "kiwi design" price: "905 kr" currency: DKK in_stock: true reviews_count: 13 category: "Kiwi Design" url: https://www.desertcart.dk/products/725541191-kiwi-design-k4-boost-quest-3s-3-compatible-battery-head store_origin: DK region: Denmark --- # 2x faster dual charging Ultra-comfort balanced fit 3 hrs extended battery life KIWI design K4 Boost Quest 3S/3 Compatible Battery Head Strap Comfort Meta Quest 3/3s Compatible Strap High-Speed Charging Ultra-Lightweight Balanced Front and Back Comfortable Wear Compatible with **Brand:** kiwi design **Price:** 905 kr **Availability:** ✅ In Stock ## Summary > 🔋 Level up your Meta Quest 3 experience with power, speed, and comfort that keeps you in the game! ## Quick Answers - **What is this?** KIWI design K4 Boost Quest 3S/3 Compatible Battery Head Strap Comfort Meta Quest 3/3s Compatible Strap High-Speed Charging Ultra-Lightweight Balanced Front and Back Comfortable Wear Compatible with by kiwi design - **How much does it cost?** 905 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/725541191-kiwi-design-k4-boost-quest-3s-3-compatible-battery-head) ## Best For - kiwi design enthusiasts ## Why This Product - Trusted kiwi design brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Safety & Durability:** NTC, UL, and TUV-tested battery cells ensure reliable, worry-free VR immersion. - • **Power Through Marathon Sessions:** Up to 3 hours of uninterrupted VR gameplay—never cut your adventure short. - • **Balanced Comfort for All-Day Wear:** Ergonomic front-back weight distribution reduces pressure on face and neck. - • **Effortless Fit & Quick Adjustments:** 52-degree damping hinge and dial knob let you switch users and dial in perfect comfort instantly. - • **Charge Twice as Fast, Play Twice as Long:** Dual high-speed charging powers both headset and strap to 65% in just 60 minutes. ## Overview The KIWI design K4 Boost Battery Head Strap is a Meta Quest 3/3S compatible accessory that extends VR playtime by up to 3 hours with a high-capacity battery. Featuring dual rapid charging, it simultaneously powers the headset and strap, reaching 65% charge in just one hour. Its ultra-lightweight, balanced design reduces facial pressure and neck strain for long sessions, while a quick-adjust dial and 52-degree hinge enable easy fitting for multiple users. Certified for safety and durability, this strap transforms your VR experience with seamless power and comfort. ## Description desertcart.co.jp: KIWI design K4 Boost Quest 3S/3 Compatible Battery Head Strap Comfort Meta Quest 3/3s Compatible Strap High-Speed Charging Ultra-Lightweight Balanced Front and Back Comfortable Wear Compatible with : Video Games Review: フィット感はすごく良いです 視点がズレにくく電池の持ち具合も 問題なし Review: Meta Quest 3を使い始めて最初にぶつかったのが、純正ストラップの調整の面倒くささと、あまりに短いバッテリー持ちでした。この2つの悩みを一気に解決してくれたのが、このバッテリー付きヘッドストラップです。 まず、装着が劇的に楽になりました。純正のゴムバンドを引っ張る方式ではなく、後頭部のダイヤルを回すだけでカチカチっと一瞬でフィットします。自分だけでなく、家族や友人と交代で遊ぶ際も一瞬でサイズを合わせられるので、VRを起動するハードルがグッと下がりました。 肝心のバッテリーも「K4 Boost」の名に恥じない給電能力です。プレイ中もしっかり給電を維持してくれて、体感的には稼働時間が倍以上に伸びた感覚です。これで映画一本分や、汗だくになるまでのBeat Saberも、残量を気にせず没入し続けられます。 「重くなるのでは？」と懸念していましたが、実際は後頭部のバッテリーが「カウンターウェイト」になってくれるおかげで、顔面への圧迫感がむしろ軽減されました。前後のバランスが取れることで、体感的な快適さは純正よりもはるかに上だと言い切れます。 一点だけ注意が必要なのは、後頭部に出っ張りがあるため、ハイバックのソファーや背もたれに深く寄りかかると、ストラップが干渉してヘッドセット全体がズレてしまうことがあります。頭の支えがない椅子や、立ってプレイする環境では最高にいい感じです。 サイドのヒンジも優秀で、被るだけで自重でスッとフィットする感覚は、純正のエリートストラップにも引けを取りません。 Quest 3をより長く、より快適に楽しみたいなら、これ以上の投資はないと言い切れるほどのベストバイアイテムです。 ## Features - 【Extended Battery for Long Play】Compatible with meta quest 3, the strap offers up to 3 hours of battery life, allowing you to continue gaming without worrying about running out of power Delivers seamless play with optimal performance tailored to the usage scene - 【Dual high-speed charging & 2x faster charging speed】 Compatible with KIWI design quest 3. The dual boost charging system on the strap allows you to charge both the K4 Boost and the headset simultaneously Fully charged in only 2.5 hours The 45W adapter provides a 25W output for Quest 3S/3 Charges to 65% in 60 minutes (for both HMD and K4 Boost), allowing for 2.5 hours of playtime - 【Comfortable and Balanced Design】A head strap designed for the Meta Quest 3, enhancing comfort for longer gaming sessions With the rear support expanded and the pads thickened, the pressure on the face is reduced, the weight balance is improved, and the burden on the head and neck is reduced even during long play sessions - 【Safe and reliable materials】The battery head strap is made with high-quality battery cells and an advanced charging system, which has obtained certifications including NTC and UL certification, and has been rigorously tested by TUV laboratories to ensure safety and durability - 【Easy to put on & adjust quickly】Fits Meta Quest 3, the accessory features a 52-degree damping hinge for easy on and off of Quest 3/3S, and a quick adjustment dial to achieve a perfect fit every time Share the fun with family and friends instantly ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D4TGY2F2 | | Additional Features | Concealed adjustment knob, K4 Boost Dual Rapid Charge, Lightweight & highly breathable, Quest 3/3S Battery Head Strap | | Amazon Bestseller | #395 in Video Games ( See Top 100 in Video Games ) #4 in Standalone Virtual Reality Accessories | | Battery Average Life | 3 Hours | | Battery Capacity | 3 Hours | | Brand | KIWI design | | Built-In Media | Application Instructions, K4 Boost Quest 3S/3 Compatible Headstrap | | Color | Black | | Compatible Devices | Compatible with Meta Quest 3/3S | | Connectivity Technology | USB | | Country of Origin | China | | Customer Reviews | 4.4 4.4 out of 5 stars (2,049) | | Display Maximum Resolution | 1832 x 1920 | | Display Refresh Rate in Hertz | 120 | | Display Resolution Maximum | 1832 x 1920 | | Display Type | LCD | | Field Of View | 52 Degrees | | Is Mixed Reality Compatible | No | | Item Weight | 0.8 Pounds | | Manufacturer | Shenzhen Hongjiantou Technology Co., Ltd. | | Mfr Part Number | QS02B | | Model Number | QS02B | | Operating System | Compatible with Meta Quest 3/3S | | Platform | Meta Quest | | Refresh Rate | 120 | | Resolution | 1832 x 1920 | | Sensor Technology | Accelerometer Gyroscope Magnetometer | | Specific Uses For Product | Gaming | | UPC | 850052498382 | ## Product Details - **Brand:** KIWI design - **Color:** Black - **Compatible Devices:** Compatible with Meta Quest 3/3S - **Connectivity Technology:** USB - **Field Of View:** 52 Degrees - **Included Components:** Application Instructions, K4 Boost Quest 3S/3 Compatible Headstrap - **Item Weight:** 0.8 Pounds - **Operating System:** Compatible with Meta Quest 3/3S - **Specific Uses For Product:** Gaming ## Images ![KIWI design K4 Boost Quest 3S/3 Compatible Battery Head Strap Comfort Meta Quest 3/3s Compatible Strap High-Speed Charging Ultra-Lightweight Balanced Front and Back Comfortable Wear Compatible with - Image 1](https://m.media-amazon.com/images/I/61q21-UP9mL.jpg) ## Questions & Answers **Q: What is the difference between Elite (K4/K4 Boost) and Halo (H4/H4 Boost) headstraps?** A: K4 Boost Head Strap: Slight face pressure for increased stability for high-intensity games. H4 Boost Head Strap: With zero face pressure, we focus on comfort that puts a little pressure on your forehead.Perfect for casual games and entertainment. Both are comfortable and lightweight to improve VR/MR use. **Q: Does this head strap contain batteries?** A: Yes, the K4 Boost Headstrap includes a built-in battery to extend your sessions 2-3 hours.It also has a dual fast charging system, so you can charge both headset and head strap at the same time in 2.5 hours using a 45W charger. **Q: Is this head strap compatible with the Meta Quest 3 or Quest 3S?** A: Yes, this KIWI design K4 Boost Headstrap is compatible with both the Meta Quest 3 and Quest 3S.Designed to increase comfort and stability. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***ほ on January 2, 2026* フィット感はすごく良いです 視点がズレにくく電池の持ち具合も 問題なし ### ⭐⭐⭐⭐ Review *by K***N on January 29, 2026* Meta Quest 3を使い始めて最初にぶつかったのが、純正ストラップの調整の面倒くささと、あまりに短いバッテリー持ちでした。この2つの悩みを一気に解決してくれたのが、このバッテリー付きヘッドストラップです。 まず、装着が劇的に楽になりました。純正のゴムバンドを引っ張る方式ではなく、後頭部のダイヤルを回すだけでカチカチっと一瞬でフィットします。自分だけでなく、家族や友人と交代で遊ぶ際も一瞬でサイズを合わせられるので、VRを起動するハードルがグッと下がりました。 肝心のバッテリーも「K4 Boost」の名に恥じない給電能力です。プレイ中もしっかり給電を維持してくれて、体感的には稼働時間が倍以上に伸びた感覚です。これで映画一本分や、汗だくになるまでのBeat Saberも、残量を気にせず没入し続けられます。 「重くなるのでは？」と懸念していましたが、実際は後頭部のバッテリーが「カウンターウェイト」になってくれるおかげで、顔面への圧迫感がむしろ軽減されました。前後のバランスが取れることで、体感的な快適さは純正よりもはるかに上だと言い切れます。 一点だけ注意が必要なのは、後頭部に出っ張りがあるため、ハイバックのソファーや背もたれに深く寄りかかると、ストラップが干渉してヘッドセット全体がズレてしまうことがあります。頭の支えがない椅子や、立ってプレイする環境では最高にいい感じです。 サイドのヒンジも優秀で、被るだけで自重でスッとフィットする感覚は、純正のエリートストラップにも引けを取りません。 Quest 3をより長く、より快適に楽しみたいなら、これ以上の投資はないと言い切れるほどのベストバイアイテムです。 ### ⭐⭐⭐⭐⭐ Review *by 橋***明 on March 21, 2026* 使い心地も良くよかったです。 ## Frequently Bought Together - KIWI design K4 Boost Battery Head Strap for Meta Oculus Quest 3/3S, Adjustable VR Headband Accessories with Dual Charge, Extend Playtime & Reduce Facial Stress - Meta Quest 3 512GB — Ultimate Mixed Reality Experiences — Get Batman: Arkham Shadow and a 3-Month Trial of Meta Horizon+ Included - AMVR FC3 Upgraded Comfort Face Cover Pad Facial Interface Compatible with Meta/Oculus Quest 3 Accessories, with Knob Adjustable, with PU Face Cushion and Breathable Ice Silk Cotton --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/725541191-kiwi-design-k4-boost-quest-3s-3-compatible-battery-head](https://www.desertcart.dk/products/725541191-kiwi-design-k4-boost-quest-3s-3-compatible-battery-head) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-28*