Parameters：

Technology:?bluetooth?4.0

Radio?frequency:?2.402-2.480GHz?

Audio?output:?35mW，?!#!lt!*!15mA

Transmission?range:?!#!lt!*!10?m

Charging?Power:?input?AC?110-240V;??output?DC?5V

Charging?time:?2?hours?

Talk?time:?4?hours

Music?play:?3?hours

Standby?time:?120?hours?

Wearing?styles:?In-Ear?mini?headphones?

Battery:?50mA?rechargeable?lithium?battery

Size:?30mm?*?18mm?*?15mm