Hoco ES39 Wireless Bluetooth Earphones

Hoco ES39 Wireless Bluetooth Earphones with Charging Case – White

Bluetooth V5.0; support protocol Headset Hands-free A2DP Avrcp
Transmission range: 10 meters; transmission frequency: 2.4GHz
Charging voltage DC5V; charging time: about 2 hours; talk time/music time: 3 hours; standby time: 200 hours
Charge box battery capacity: 400mah, left and right ear battery capacity each 40 mah
Net weight: 44.8g (including charging case); bare weight: 3.8g (single)
Battery display.