OWS-01 75mAh 7H Wireless Air Conduction Earphones

Solution: AB5656B, Bluetooth V5.3, 

lithium battery: 501220; 3.7V, 75mAh with protection plate; 

Music time: about 7 hours (80% volume), 

talk time: about 6 hours (80% volume), 

standby time: about 100 hours headphones, with 25CM long charging cable