Compatible with Various Sizes of PowerbankFixing the power bank by using the back clip bracket and two magic straps. The elasticity of the magic strap can be adjusted and fixed according to the size of the mobile power supply. Three Ways to UseThe AMVR Powerbank Fixing Bracket can be fixed not only on the quest headset strap but also on the waistband. If you have HTC Vive Deluxe Audio Strap, you can also install the powerbank fixing bracket on it. Enhance the VR experienceThe powerbank fixing back clip holder allows you to carry your mobile power supply with you. When you are playing the VR game, you no longer have to worry about the All-in-one VR headset running out of power and terminating the game halfway. Please Note:The products sold DO NOT include QUEST headset and Powerbank! The AMVR Powerbank Fixing Bracket works for Oculus Quest headset or HTC Vive Deluxe Audio Strap, to fix the mobile power on the VR headset strap or on the waistband.How to Use? Three Ways to Install:1. Install on the original Oculus Quest Headstrap2. Install on the HTC Vive Deluxe Audio Strap3. Instal on the Waistband In the Box 1 x Powerbank Bracket1 x Waistband Fixed Clamp1 x HTC Vive Deluxe Audio Strap Fixed Clamp1 x Waistband2 x Magic Straps1 x Screwdriver1 x Charging Cable Fixed Velcro1 x Cable Clamp1 x Instruction manual