XO BS34 Foton Open Air Conduction Bluetooth Earphones Black

XO-BS34Bluetooth pairing name: XO-BS34 Bluetooth version: Bluetooth y5.3Bluetooth main chip: AB5656BBattery: 75mAh με protective plate,ITYPE-C charging time: approximately 1 hour and 46 minutesTalk time: approximately 13 hours (80% volume)/Music time: approximately 14 hours (80% volume)Standby time of approximately 100 hoursSupports Bluetooth protocol: A2DP/AVDTP/AVRCP/RFOMM/HFP/HSP/SPP/HIDBluetooth operating frequency: 2.402GHz -2.480GHz Maximum transmission power: TX output power+9dBm in MAX;Default prompt: English broadcastFunction: Bluetooth stereo Bluetooth call over the ear, not in the earSize: 110 L * 44.5 H * 102 W (mm); Weight earphone: 12.1g ± 0.2gMaterial: ABS+PC; TPEAccessories: TYPE-C charging cable 1PCSProduct color: Μαύρο