Product parameters: 1. Bluetooth version: V4.0+EDR 2. Frequency range: 2.4026GHz-2.480GHz 3. Transmission distance: 10M (transmission distance varies due to environmental factors and different mobile phone Bluetooth devices) 4. MIC distance: ≤1 meters 5. Lithium battery: 3.7V/500mA 6. Charging time: 4-5 hours 7. Standby time: about 180 hours 8. Continuous working time: about 32 hours 9. Bluetooth name: BT12
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