Twins True Wireless Bluetooth Earbuds

True Wireless Earbuds
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 of earphone: 85mAh for left and right one
With Nokia charger port
Work time: one for 6-7 hours, and a set for 4-5 hours
Stand-by time: one for 180 hours, and a set for 120 hours
Charging time: 2 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

Warmly reminder:
1. It takes at least one hour to charge the earbuds fully
2. 2.5 hours working time can be lasted if you listen it continuously
3. Super long standby time, up to 60 hours
4. There is only one earbud to hear the voice while answering the call, the other one will be quiet


Packing List
2x Wireless In-ear Earbuds
2x USB Cable
4x Sleeve Cap for Replacement