Twins, true wireless stereo(TWS)
Chipset: CSR
Bluetooth Version: 4.2
Frequency: 2.4GHz
Wireless range: 10m
Receive sensitivity: -90dBm
Battery capacity: 75mAh for left and right one
Work time: one for 5-6 hours, and a set for 2-3 hours
Stand-by time: 120 hours,
Charging time: 1 hours
Support one match two, connect two device
Voice prompt for calling number
Voice prompt for power and or off
Supports A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/DI1.3
Adopt the advanced CVC6.0 active noise-cancellation
Built-in superior HD microphone, provide clear and loud sound
Comes with portable power bank, built-in 700mAh rechargeable li-ion battery, can provide charge for headset anytime; Charging time is about 4 times.