These black lightweight wireless headphones feature Bluetooth wireless technology and a 17-hour battery life. The integrated microphone and controls work with popular smartphones, while a swivel ear cup design ensures a comfortable fit. Bluetooth connectivity lets you listen to your favorite music/audio wirelessly Bass Boost for dynamic bass sound (on/off) Smart Phone Controls for Remote & mic located on headphone 33ft Range (Approx) Frequency Response

Part No. 5002-503BK