Feature:

Multi-function MP3 headphones

System speacifications: Active Chip read card/play systerm

Audio mode: compatible with MP3 formats

Frequency range of receiver: 87.5~108MHz

S/N ratio: !#!gt!*! 90dB

THD !#!lt!*! 1%

Frequency response: 20Hz~20KHz

Bluetooth version: version 3.0 + EDR + FM

Power supply: 380mA/h rechargable battery

Continuous working time: more than 5 hours based on the volume at 1/3 level

Charging time: 2-3 hours

Working temperature: 0C-50C

Independent USB sound card drive

Indepent card reader function

Note: We have red， white， blue colors， please mark which color you want， otherwise we will send you random.