With Bluetooth & wireless technology, the BSH02 mini headphone gives you the convenient wireless way to enjoy the streaming stereo music transmitted from the Bluetooth A2DP Source device such as a mp3 player, PC or PDA in the available range. Moreover, you can use the BSH02  mini headphone to remote control the music playing functions of your Bluetooth device if it supports Bluetooth AVRCP

Specification
UNIT
Dimensions: 46 x 21.6 x 21 mm
Weight: 26 g (Battery Included)

SOUND
Frequency Response: 20 Hz - 20 KHz
Sample Rate: 48 KHz, 16 Bit
SPL (Sound Pressure Level): 105 dB  1 KHz
THD (Total Harmonic Distortion): 0.5 %
SNR (Signal to Noise Ratio): 85 dB

BLUETOOTH
Specification: Bluetooth v2.0 compliant
Bluetooth Profile Supported:
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)
HSP (Headset Profile)
HFP (Hands-free Profile)

Radio
Carrier frequency: 2.4-2.480 GHz
Spread spectrum:FHSS
Modulation method:GFSK
Sensitivity:<0.1%BER-80dBm
RF Output power:-6dBm to 4dBm

Built-in battery:3.7v/120mAh / Lithium//rechargeable

Mini USB charging port
Standard 2.5mm headphone jack
Four-direction button for VOL+,VOL-,previous song, next song