GTMEDIA A4 Bluetooth Audio Receiver & Transmitter

Bluetooth Version: A4

Bluetooth Mode: Bluetooth Receiver/ Bluetooth Transmit 

Battery Capacity: 3.7V/800mAh

Power Input: DC 5V=1000mA (Max)

Using Time: 5-7 hours

Charging time: 2 hours

Wireless Range: 15 meters 

Output: AUX/RCA

Input: Bluetooth audio/ Optical audio/ Coaxial audio/ U disk/ AUX