Main Features:
GameSir G4s gamepad
32-bit MCU chip, up to 48 million times per second computation capability
Bluetooth V4.0 / 2.4G wireless / wired 3 connection modes
Compatible with Android 4.0 and later version
Working great with Android smartphones, TV boxes and tablets
Vibration intensity and frequency adjustment
With bright LED key backlight, easy to be found at the darkness
Freely switch between left joystick and cross key, choose the favorite mode you like
Built-in 800mAh li-ion battery, 2 - 3 hours charging time, up to 18 hours playing time
Wireless connection distance: Within 8 meters

Specification

General	Model: G4s Functions: Bluetooth Bluetooth Version: V4.0 Compatible with: PC Connection Type: 2.4GHz Wireless,Bluetooth,Wired System support: Android,PC
Power	Battery Type: Built-in Capacity: 800mAh Battery Voltage: 3.7V Charge way: USB Charge Charging Time: 2 - 3 hours Working Time: 18 hours
Dimensions and Weight	Product weight: 0.2600 kg Package weight: 0.5720 kg Product size: 16.00 x 10.40 x 5.90 cm / 6.3 x 4.09 x 2.32 inches Package size: 20.90 x 17.00 x 10.30 cm / 8.23 x 6.69 x 4.06 inches
Package Contents	Package Contents: 1 x GameSir G4s Gamepad, 1 x USB Cable