ProHT Bluetooth Wireless Headse with Built-in Microphone

Brand new, in original box, but boz without upc bare code. Features: Less than 2.5 hours changing time Convenient power slide switch Ultra-lightweight for all day comfort Stereo Bluetooth headset for wireless music plus call functionality Unique neck-strap design for easy carrying Unique around-the-neck design that's lightweight and comfortable for all-day use Vibration alert on call Magnetic ear buds snap into place when not in use, music controls on neck strap Technical specifications: Charging voltage: 5v 0.25A ~ 1A. Working current: 25 ~ 30mA. Output power: 2x20mW. Frequency range: 2.401~2.480 Frequency response: 20Hz Snr: S/N Over 95 Distortion factor: under 1% Bbattery capacity: 160mA