Using bluetooth-compatible 3.0 technology, the VR gamepad has good compatibility. It has the functions of mobile phone selfie, game, music, movie, e-book and mouse remote control. It is made of fireproof ABS material, which is durable to use. The length of the product is 11.8cm, the width is 4.2cm and the height is 3.3cm. VR gamepad @+A/B/C/D modes are music/game/video/mouse mode. The default mode is mouse mode when bluetooth-compatible matches the mobile phone. bluetooth-compatible can automatically identify for iOS/for Android smart phones. Item Name: VR Gamepad Material: Fireproof ABS Power Supply: 2 x AAA 1.5V Batteries (Not Included) Working Current: 0.5-0.8mA Standby Current: 0.5-1mA Shutdown Current: 0 Continuous Gaming Time: About 40-120 Hours Wireless Protocol: Bluehooth 3.0 Compiant Support System: for Android/for iOS/PC Support Game: for Android/PC(GAMEPAD): NES/GB/SMDPSX/GBC/N64/MAME, for Andriod: APK Game, for iOS: Icade Game CPUARM968E-S COER Features: bluetooth-compatible Connection, Quick Response, Good Compatibility Size Details: 11.8cm x 4.2cm x 3.3cm/4.65" x 1.65" x 1.3" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x VR Gamepad 1 x Chinese and English User Manual