Brand: Awei A896BL Air-conduction sports earphone Micro-SD card: supported Bluetooth chip: Jieli JL7006F4 Bluetooth version: 5.3 Battery capacity of charging case: 200mAh Charging time: 2h Play time: 6.5h Talk time: 7h Horn diameter: 16mm Size: 13.5mm*11.2mm*4.5mm Air-conduction sports earphones Micro-SD card: supported Sound track: stereo Support protocols: AVRCP, A2DP, HFP, HSP Battery capacity of charging case: 200mAh Charging time: 2.5h Talk time: 7h Play time: 6.5h Standby time: 300h Frequency response range: 2402-2480 MHz