1:Bluetooth 4.2+ CVC6.0 noise reduction microphone,

2:Built in Microphone, provide clear and loud sound,

3:Full compatible for mobile phone, all devices with bluetooth function for android mobile phone and for Iphone, for Huawei, for Xiaomi, for tablet for computer,

4.Supports Multipoint pairing, you can pair with two phones at the same time,

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 at the same time
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

Compatible :For Xiaomi Tablet1, Tablet 2, for xiaomi redmi note1 2 3,

For xiaomi mi 5,for xiaomi redmi pro,for meizu x5,for meizu 6

For Samsung Glaxy s6,s7,s6 edge,s7 edge,s7 note

For Huawei, LG, Sony and Other android mobile phones

For iPhone 4 4s 5 5s 6 6s,for iphone 6plus, 6s plus for iPad etc. IOS devices

For all bluetooth enable device.