Naxa Naxa Backspin Bluetooth Wireless Headphones in Black

The Naxa backspin Bluetooth wireless headphones in black features a rechargeable Li-ion battery. Providing up to 6 hours of play time, listen to your favorite playlists as long as you want. Control calls, music play, and volume via Bluetooth enabled devices. With the built-in microphone, manage phone calls hands free.?Speaker Driver Size: 40 mm Frequency Response: 20-20,000 Hz Speaker Impedance: 32 ohms Speaker Sensitivity: 96 3 dB Wireless Source: Bluetooth® version 4.2 Battery, type: Rechargeable li-ion battery Battery Life (max): Up to 6 hours Power Input: DC 5 V Power Connector: Micro USB Item Dimensions: 7.48-in x 6.30-in x 3.15-in Item Weight: 0.42-lbs