Bluetooth true wireless stereo earphones Bromit Lash Pro

Bluetooth version: V5.4 Bluetooth frequency: 2.402 GHz ~ 2.480 GHz Charging case input: 5 volts/400 milliamps Earphone diameter: 10 mm Charging time: about 1.5 hours Playing time: about 6 hours Standby time: about 35 hours Earphone battery capacity: 35 mAh Case battery capacity: 400 mAh