Xo ev51 5th generation bluetooth headset white

XO-EV51 (5th generation full equipment)Bluetooth pairing name: XO-EV51 (5th generation full)■Bluetooth version: Bluetooth V5.1 Bluetooth main chip: Jerry 6973■Battery: Charging case capacity: 3.7V 300mAh, earphone battery capacity 3.7V 30mA x 2 Charging case to charge the earbuds: about 3 times■Charging time: Charging case charging about 2 hours / Earphone charging time: about 1.5 hours■Talk time: Approx. 3 hours / Music time: 80% volume approx. 4 hours Shutdown standby time: Standby time in full charge Approx. 4 months■ Support Bluetooth protocol: HFP HSP A2DP AVRCP■ Default English prompts■Function: Play/Pause Previous Song Next Song Answer the call Hang up the call Reject the call Magnetic wireless charging Bring in the ear detection■Size:60.5*21.8*45.2±0.5mm Weight Headphones: 4.22g±0.2g*2PCS, charging cradle: 51.5 g ±0.2g ■Material: ABS shell■Accessories: lightning head charging cable 1PCS■Product color: white