-bluetooth 5.1 chip: lower power consumption, more stable.
-Water and sweat resistant, waterproof for everyday use.
-Noise cancelling technology deliver a crispy,crystal clear sound with super bas
-The large capacitycharging case can not only charge earphones, but also charge mobile phone.
bluetooth specification: V5.1
bluetooth Profile: A2DP,AVRCP, HFP;HSP
Working voltage: 3.1V~4.2V
Charging voltage: 5V-1A
Battery capacity of the headset: 50MAH
Battery capacity of the storage box: 2000MAH
Transmission distance: >10M
Call time: 4-5h
Play time: 4-5h
Waterprof : IPX7
Charging time of headset: 1 h
Charging time of the Charging box: 2h
1 * Pair of earphone
1 * Charging cable
1 * Manual