Item Type: BT Transmitter/Receiver Material: ABS BT Version: 5.3 BT Distance: >10m/32.8ft (Open Area) Support Protocol: A2DP, AVRCP Receiver Working Current: ≤43MA Transmitter Working Current: ≤60MA Standby Current: <18MA Battery Type: Lithium Battery Battery Capacity: 250mAh (Included) Output Connection: 3.5mm Stereo Interface Input Connection: 3.5mm Stereo Interface Memory Card: Maximum Support 16GB (Not Included) 1. MULTIFUNCTIONAL: Bluetooth transmitter/receiver supports receiving and transmitting audio, suitable for various audio devices. Supports 16GB Memory Card (not included). 2. EASY TO USE: AUX bluetooth transmitter/receiver, one button to connect to mobile phone, TV, CD player and other devices, convenient to use. 3. HIGH SOUND QUALITY: This bluetooth transmitter/receiver adapter uses JL chip and bluetooth 5.3 standard, the sound quality is clear. 4. LONG RANGE: The wireless music adapter has more than 10 meters of Bluetooth distance, you don't have 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. Package Includes: 1 x BT Transmitter/Receiver 1 x User Manual 1 x Charging Cable 1 x Audio Cable