Bluetooth Earphones CELEBRAT TWS-W10 True Wireless with Charging Case

Technical Specifications:
Earphone Type: True Wireless Earbuds (TWS)
Wireless Version: V5.0
Working frequency: 2402~2480MHZ
Transmission distance: => 10 meters
Best working distance: < 5 meters
Sensitivity: 106dB +- 3dB
Battery capacity: 30mAh
Music time: About 2-3 hours(70% volume)
Call time: About 2-3 hours(70% volume)
Charging box capacity: 300mAh
Charging box charging time: About 1H
Standby time: About 280 hours
Imput voltage: DC 5V/500mA
Charging case dimensions: 54 x 45 x 20 mm
Charging case Weight: 33 gr
Earbud dimensions: 44 x 14 x 15 mm
Earbud weight: 3 gr