Bone Conduction Technology Speaker: Create minute mechanical vibrations, send sound to the internal ear through the cranial bones. Release ears, you can hear outside voice while listening to music. Not trapped in the music but stay alert to the surroundings. Giving safety to you CSR Bluetooth V4.1 Chip: Give clearer conversation, lower latency in connecting, stronger and more stable signal, longer working time. Easy and fast pairing with smartphones, tablets and other Bluetooth enabled devices Multipoint Connection: 1 Bluetooth headset connects 2 devices simultaneously, never miss any calls from your devices. Built-in 150mAh battery makes 10 days standby time, up to 4 hours of continuous call/music playing

Built-in Microphone and Volume Control: Headphones with built-in mic delivers clear sound and enables hands-free talk.The volume control button also let you pick up calls and skip between tracks without missing a beat. Lightweight and Collapsible Design:Adjustable headband with the stretchable joint will fit anyone perfectly and even adjust for smaller heads for youth, teens, kids boys and girls. Folding design allows for easier storage and carriage. Power Stereo Bass and High-definition Sound: The enhanced bass speaker and breathable soft-padded cushion block yourself from the noise around you and experience a premium music experience.