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Headphones preservation :

> Headphone cable storage volume as much as possible by hand， do not use any headphone winder.

> Headphones should be placed headphone storage box (sacks， bags) to saved.

> Headphones saved environment should be dry

> Headset accessories headset box should be put together with headset ， and keep the headphones and accessories clean and sanitary

Specification:

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