Style:In-Ear Communication:Wireless Connectors:USB Use:Mobile Phone,Computer Microphone,Computer Function:Microphone,Waterproof,Noise Cancelling,Bluetooth Material:New ABS,Silicone Rubber Music time:8 hours Style:Ear Hook, Neckband, Headband Type:Stereo Headset, Wireless Headphone, Sports Earphone Charging time:2 hours Operation Distance:10 meters Battery:Polymer lithium battery Standby time:220 hours Bluetooth Version:V4.1 Compatible Brand:All of devices which have the Bluetooth Function Show More