Specifications:
<br />
<br />    Model: BT-03
<br />    Color: Black, White, Red, Blue
<br />    Wearing style: In-ear
<br />    Bluetooth Version: V4.1
<br />    Battery: 80mAh 
<br />    Standby time: 180 hours
<br />    Talk time: 6 hours
<br />    Charging time: 2 hours
<br />    Charging voltage: DC 5V
<br />    Cable Length: 55 cm / 21.7 inch
<br />    Agreements: A2DP/HFP/HSP/AVRCP
<br />    Resistance: 16 
<br />    Noise Reduction: CVC6.0
<br />    Radio frequency: 2.4GHz-2.48GHz
<br />    Effective Range: 10m
<br />    Speaker: 10mm
<br />    Sensitivity: 96db±3db(at 1khz 0.5Vrms)
<br />
<br />Package Included:
<br />
<br />    1 x BT-03 Bluetooth Headset
<br />    1 x USB Cable
<br />    1 x Clip
<br />    4 x Ear Caps
<br />    1 x User Manual
<br />
<br />NO Retail Box. Packed Safely in Bubble Bag.