China Factory i7s TWS Bluetooths Wireless Headphone Earphone With 2 True Wireless Stereo Earbuds &am

Brand Name:

OEM/ODM

Model Number:

I7S

Style:

in-ear

Communication:

WireLess

Connectors:

USB

Use:

MOBILE PHONE

Function:

bluetooth, Noise Cancelling, MICROPHONE, Portable Media Player, Mobile Phone, Aviation

Place of Origin:

Guangdong, China

Cord Length:

0

Bluetooths version:

V5.0+EDR

Working voltage:

3.2V-4.2V

Audio transmission protocols:

A2DP/AVRCP high quality stereo

forLANYA distance:

10m

battery capacity:

350mah

Impedance:

16 OHM

for LANYA frequency:

2.4-2.48GHz

calling time:

5-6h

Colors:

Black White