Envent BoomBud Blue Bluetooth headphone gives you the freedom to enjoy your movies, videos and music unplugged. This Over the Ear Bluetooth Headphone offers full, natural sound and fits comfortably with the help of adjustable mechanics on the head band. The headphone is designed with features and materials that provide lasting quality. The cushioned ear cups and adjustable headband let you wear the headphones comfortably for hours. The module's built-in microphone lets you make calls when the headphone is connected to your smartphone. Buttons on the control module include power on/off, volume increase/ decrease and multifunction key for play/pause, answer/ end call. Moreover you can still enjoy music even if this device is out of battery. Just insert the 3.5mm AUX cable into the slot of the headphone and you are never away from listening to your favorite music. Boom Bud Over the-Ear Bluetooth headphone with a range of 30 feet let you move around freely while still immersed in your music or video. The rechargeable lithium-ion battery provides 10 hours of run time and 200 hours of standby time. You can easily recharge it with the included USB cable. GET STARTED SIMPLY: The Bluetooth control module lets you connect wirelessly to your Pad, smartphone or other favorite Bluetooth devices. Just pair the headphones with your phone and it is very easy. Simply power on the headphone and then choose ,ET-BTHD001-BL from your device's Bluetooth list. You can even connect the headphones to two devices simultaneously. For example, you can watch a video on your iPad while staying connected to your smartphone. The headphones will automatically pause the video to answer a call. Then, when the call is finished, the headphones automatically switch back to the video.