New Mini 503 Headphones Portable Neckband Sport Wireless Bluetooth Headsets Stereo Earphone Support SD Card for Mp3 Player

Features

Adoption of high speed bluetooth V4.0+EDR standard, to ensure high quality and pure stereo sound transmission.
High-speed transmission in 10 meters(Class 2 standard), portable and wirelss.
Innovated double damping balancing technology, present perfect music.
Long talk time,all phones universal, Music player with A2DP.
Function Keys : Volume + -, music playback, pause, previous song, next song.
Supports all bluetooth devices,then hang up, reject calls, last number call-back.

Colors: Black, White, Red , Blue,Gold

Specification:
Model:Mini 503
Bluetooth Version: V3.0+EDR Class II
Frequency:2400.0-2483.5MHz
Bluetooth Supported: Headset, Handsfree, A2DP and AVRCP
Chipset:CSR
Operation Range:10m
Talk Time:2-3 hours
Music Playing Time: up to 7 hours
Stand by Time: up to 250 hours
Speaker diameter:30mm
Impedance:32Ω
A microphone head size: 2x4mm
Directional:Multi azimuth
Sensitivity:-42db
Noise reduction:Active noise reduction
The max power dissipation: 25MA±5
Working voltage:3.0-4.2V

Package:
1* Mini 503 Earphone
1*Manual
1*USB Cable
1*Retail Package