Twins,true wireless stereo(TWS)

Chipset: CSR from UK

Bluetooth Version: 4.2

Frequency: 2.4GHz

Wireless range: one for above 20m, and a set for above 10m

Receive sensitivity: -90dBm

Battery capacity: 65mAh for left and right one

NOKIA charging port

Work time: one for 5-6 hours, and a set for 2-3 hours

Stand-by time: one for 120 hours, and a set for 60 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

Selectable colors: black,white,blue and pink