Features

?Stylish design and advanced technology
?it is so slim and lightweight that you hardly realize that you wear it
?This is a must for those iPhone/iPod/iPad users who lead an active lifestyle
?Vibrant bass， vivid mid-range， and vivacious highs
?Support Bluetooth headset and hands-free headset
?Experience less vibration and more of your music

Specifications

Supporting Edition V2.1/V3.0
Mode Handsfree / Headset
Frequency Range 2.4 - 2.48 GHz
Transmission Power Class 2
Transmission Distance About 10m    
Sensitivity -80dBm
Power Charger AC Input 110-240V DC out 5V 
 Charging Time About 1.5 hours
Talking Time 3.5 hours
Standby Time About 85 hours
Dimensions (2.9 x 1.7 x 2.9) cm / (1.14 x 0.67 x 1.14)" (L x W x H)
Weight 60 g / 2.12 oz