bt 25stwen
Trendy Design, with many colours - sparkling red, glossy white, smart blue, simply black, etc
Supreme Voice & Music Quality
Advance Noise Reduction Technology
2-Point  Connection - A Computer & A (non-OS) Mobile Phone at the same time 
Easy Music Control with Omni Directional Switch
Designed for any device with Bluetooth function,  iPhone*, Nokia, Sony Ericsson, etc
*Full musical control for iPhone 4.1 version
Bluetooth Version    Bluetooth V2.1 
DSP     Yes
HSP (Headset profile): Yes
HFP (Handsfree profile): Yes
Stereo Music: Yes, Support A2DP & AVRCP 
Carrier Freq: 2.4GHz
Transmission Power: Class 2 (MAX 5dBm)
Sensitivity: -80dBm
Range: up to 10m
Battery Indicator: Yes
Low Battery Alert: Yes
Voice Dial: Yes
Call Reject: Yes
Last Call Redial: Yes
Mute: Yes
Volume Control: Yes
Talk Time: ~ 6.0 hours
Music Play Time: ~5.5 hours
Standby Time: ~ 220 hours     
Charging Voltage: DC 5V
Battery Type: 3.7V rechargeable 160mAh Li-polymer
Nominal Charging Time: ~2.5 hours     
Weight: 13g* (weight excludes stereo earphones)
Dimensions: 55*21*(12+8)mm
*May vary due to user's habit, phone setting and mode of operation. Specifications are subject to change without prior notice for product enhancement.