True Wireless Earphone

Specification:
Chipset: CSR UK
Bluetooth Version: 4.2
Frequency: 2.4GHz
Wireless Range: One for about 49.21ft, and a set for about 32.8ft
Receive sensitivity: -90dBm
Battery capacity: 65mAh for left and right one
Work Time: One for 5-6 Hours, and 2 for 2-3 Hours
Stand-By Time: One for 120 Hours, and 2 for 60 Hours
Charging Time: 1.5 Hours
Support one match two, connect two device
Supports A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/DI1.3
Built-in superior HD microphone, providing clear and loud sound.