E529BT Audio series Bluetooth earphone

Bluetooth Version：V5.0 Battery: 250mAh | Play time: about 14H (60% volume) | Talk time: 13H | Standby time: 180H Charging time: About 0.8H | Type-C | Wireless working range: 10M (without obstacles ) Speaker: Φ10MM | Speaker sensitivity: 96±3 dB 1kHz/1mW Profiles supported: HFP,HSP,A2DP,?AVRCP Impedance: 32?±15% 1kHz | Speaker frequency: 20Hz～20KHz Input voltage / current: DC 5V/1A”