Features： 1、Support for Bluetooth V5.0 version, can connect and play two Bluetooth devices at the same time. 2、It can help clear all paired Bluetooth information, which is convenient and practical. 3、Turn on and automatically connect to paired Bluetooth devices, which can save your time. 4、With wide application of range, support for Bluetooth A2DP, AVRCP, HFP, HSP. 5、With compact shape, lightweight and portable, take up no space and you can put it anywhere. Specification： Item Type: Bluetooth Receiver and Transmitter Material: ABS Color: Black Model: T3 Bluetooth Version: 5.0 Charging Voltage: 5V Charging Current: 150mA Working Current: 35mA Shutdown Current: 41uA Battery Capacity: 280mAh Bluetooth Transmission Distance: Approx. 10m/32.8ft Bluetooth Microphone Effective Distance:Approx.  0.5-2m/1.6-6.6ft Bluetooth Transmit Output Power: 6DBM Charging Time: About 2 Hours Working Time: About 7 Hours Audio Cable Length: Approx. 50cm/19.7in USB Charging Cable Length: Approx. 60cm/23.6in Package List： 1 x Audio Receiver and Transmitter 1 x Manual 1 x 3.5mm Audio Cable(50cm/19.7in) 1 x USB Charging Cable(60cm/23.6in)