Thousand Magic Mirror Wireless Bluetooth Gamepad $ 8.47 Interface type: Bluetooth wireless connection Vibration mode: no vibration Applicable products: mobile phone VR helmet selfie stick Material: ABS Product size: 15.5 * 6.3 * 1.5cm Function: PC remote control, wireless mouse Transmission medium: Bluetooth 3.0 Carrier frequency: 2.4 ~ 2.48GHZ Working voltage: 2.4-3.6V Average working current: less than 10mA Maximum receiving distance: 10 meters Battery type: standard AAA7 alkaline battery (the product itself does not contain batteries) Number of batteries: 2 Working temperature: -10~ 70