JoyRoom JR-CP1 Car charger with bluetooth earphone -White

Joyroom custom handsfree wireless bluetooths mobile phone fast car charger earphone Product Description: Bluetooths: 5.0 Frequency range: 2.400ghz – 2.483ghz Sensitivity: 103±3dB Frequency response range: 20hz-20khz Microphone sensitivity: -42db±3db Earphone Battery capacity: 30mAh Impedance: 16 Ω Rated power: 3mW Driving unit: phi 13mm Playback time: about 95min (maximum volume) Talk time: about 2 hours Standby time: about 30H Charging current: about 100mA Car charger input: DC 12v-24v USB output of car charger: DC 5V 2.4a (Max) Charging time: 40 minutes Material: ABS+PC fireproof material Net weight: 23g