New Bone Conduction Earphone Sport Running Microphone Support TF SD
New Bone Conduction Earphone Sport Running Microphone Support TF SD Card Pick up only Price fixed Specifications: Bluetooth Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Usage mode: Bluetooth/card mode (Maximum Support 32g) (Not Included) Transmission distance: 10-15m Battery capacity: 180mAh Charging voltage/current: 5V/1A Play/call time: about 8-10h Charging time: about 2h Standby time: 180 days Speaker impedance: φ16mm 32Ω Microphone sensitivity: -42Db Working temperature: -10-50℃ P