Specifications:
Bluetooth Version: 5.0 +EDR
Frequency Range: 2.4GH z- 2.480GH z
Operation: Class 2 Support for
Bluetooth format: HFP/HSP/A2DP/AVRCP
Bluetooth Coverage: 10 meters Charge Time 1.5 hours
Playing Time: 4 hours
Power Supply: Li-Po 60mAh
Working Current: 15 mA (MAX)
Charging voltage: DC 5.0V
NOTE:
Start up: Turn off situation press for 2 seconds; blue light flashes quickly
Turn off: Start up situation press for 5 seconds; the red light flashes quickly. Long press button to up/down the volume. Please make sure your car has an 3.5 mm AUX-in port so that you can choose the 3.5 mm audio cable or adapter to connect the receiver to your car stereo system. Please charge it in time when in low battery or do not use it regularly, in case it will not normally work or damage the battery. Bluetooth signal can be blocked by surrounding objects and reduce the audio quality. Please put it in the right position without barrier between adapter and your phone (or other devices).
Working current: <13mA