Features
Stylish slim clip type Changeable headphone, new look everyday Voice dialing enabled Separated speaker & microphone ensure good voice quality Automatic connection & reconnection with notification Cause less RF interference ( headache ) to user
Specification
BT-21S
General Specification
Bluetooth Version
Bluetooth V1.1,1.2,2.0 compliant
HSP (Headset profile)
ü
AVRCP Support
ü
A2DP Support
ü
RF Spec
Carrier Freq
2402MHZ-2481MHZ
Transmission Power
Class 2(MAX 4dBm)
Sensitivity
-80dBm
Range
up to 10 m
User Interface
Battery Indicator
ü
Low Battery Alert
ü
Voice Dial
ü
Call Reject
ü
Redial
ü
Mute
ü
Volume Control
ü
Talk Time
4 hours ( / stereo music 2.5-3 hours)
Standby Time
70 hours
Nominal Charging Time
2 hours
Power Spec
Charging Voltage
DC 5V
Battery Type
3.7V Rechargeable Li-ion 120mAh
Weight
13g
Dimensions
43*23*17mm
