Brand: PTron Color: Black Digital formats supported : MP3/WAV/WMA PC Interface Support : USB 2.0 Speaker Impedance : 16 ohms Battery Life : Up to 6 hours depending on the volume level Battery Capacity: 3.7V / 150MAh Max. Input Power: DC 5V Speaker Frequency Range: 20HZ-20Khz Signal-to-Noise Ratio : 85db Charging Time : 2 hours Net Weight : 46G Dimensions : 172x160x40mm Extended Length of Earphone : 14mm Size :19*8.5*7.5cm Weight :162g Compatible With : Apple/Andriod/ PC (need bluetooth dongle) Features : Support music, voice control, call function, NFC function, power display, multi-point connection Fashionable design with foldable sunglasses, the headset is adjustable and can be freely telescoped.Use of the network for remote wireless two-way conversation.Features high quality stereo and enhanced voice clarity.Comfortable to wear and secure for running, hiking, it can prevent sunlight damage to your eyesight and let you enjoy music on your journey.Easy to use, answering phone calls and playing music by operating Play/ Stop button and Volume control buttons.Bluetooth headset made from high quality ABS material would last all types of wear and tear without getting damaged.It can works for most of the bluetooth enabled mobile phones, you can enjoy a hands-free talk with your friends.