Features 1.MULTIFUNCTIONAL: Bluetooth transceiver supports receiving and transmitting sound, suitable for various sound devices. Support 16GB Memory Card(not included). 2.SIMPLE OPERATION: AUX bluetooth transceiver, one button to connect to cell phone, TV, CD player and other devices, convenient to use. 3.HIGH SOUND QUALITY: This bluetooth transceiver adapter adopts for JL chip and bluetooth 5.3 standard, the sound quality is clear. 4.LONG RANGE TRANSMISSION: The wireless music adapter has more than 10 meters Bluetooth distance, no need to worry about signal interruption. 5.LONG BATTERY LIFE: The 2 in 1 Bluetooth transmitter receiver has a built in 250mAh lithium battery that is rechargeable and provides long battery life. specificationItem Type: BT Transceiver Material: ABS BT Version: 5.3 BT Distance: >10m/32.8ft (Open Space) Support Protocols: A2DP, AVRCP Receiver Working Current: 43MA Transmitter Working Current: 60MA Standby Current: