ANYCOM 82601VRP BSH-100 Blue Stereo Bluetooth Headphones, A2DP Bluetooth compliant devices up to 30 ft, detachable microphone, international power supply and USB charger Wireless stream audio using A2DP Bluetooth compliant devices ; Use attachable microphone for incoming calls, music resumes after call has ended Built-in 4-button controls (volume up/down, answer/end, redial/mute, next/previous title, pause/start) Lightweight, ergonomic neckband design enables use to wear for long periods of time Up to 12 hours talk time and 300 hours standby ; Compliant with Bluetooth v1.2 devices up to 30' away Includes detachable microphone, international power supply and USB charger