Wireless headset headset bluetooth headset handfree for iphone Samsung htc Characteristics: Elegant design with folding glasses. Negative polarized lenses that can filter light and protect your vision. Hi-fi headphones built directly into the frame, and can be adjusted from 270 degrees for a comfortable fit. Support stereo bluetooth MP3 music without cell phone, wireless connection To the headset for the device. Wireless appreciated the stereo music play. Wireless is reserved for phone interest. Flip-up glasses are cool. Wireless stereo music, reserved for answering an automatically converted call. Built in rechargeable 120mAh lithium battery. Specifications: Black color Material: ABS and PC Wireless connection range: 10 meters Noise signal: 15 decibels resolution The transmission power: Glass2 Support music format: MP3, WMA, WMV, ASF, MTVOB, MPG, 3GP, etc. Frequency: 2.4GHz 2.4835GHz unlimited frequency range Talk time: 6 hours Standby time: 150 hours Charging time: 3 hours Weight: 60g The package includes: 1 x Bluetooth Sunglasses Earphone 1 x USB cable 1 x carrying bag 1 x cleaning overview 1 x user manual