Bluetooth Receiver Transmitter Car Bluetooth Transceiver Two In One Bluetooth AdapterProduct parameters:Charging voltage: 5VCharging current: 150mAWorking current: 35mAShutdown current: 41uACharging time: about 2HWorking hours: about 7HBattery capacity: 280mAhBluetooth version:Version 5.0Bluetooth sound processing: with DSP technology and A2DP (Advance Audio Distribution Profile) functionBluetooth frequency: 2.402-2.480GHzBluetooth transmission distance: straight line 10MEffective distance of bluetooth microphone: 0.5~2MBluetooth transmit output power: 6dbm1.Bluetooth Bluetooth V5.02. The launch state supports two Bluetooth devices to connect and play at the same time3. Support bluetooth receiving/support bluetooth transmitting4. Clear all paired Bluetooth information5. Automatically connect back to the paired Bluetooth device when powered on6. Five minutes without device connection, automatic shutdown7. The music playback time is about 7 hours when fully charged8. Bluetooth supports A2DP, AVRCP, HFP, HSP9. Support Bluetooth stereo music DSP technology10. AUX audio input/audio output1. Due to different monitors and lighting effects, the actual color may be slightly different from the image2. Due to manual measurement, please allow 1-3cm deviationSize: 65*39*16mmColor: blackQuantity shipped: 1