MAXBO 2016 New Stylish Wireless Stereo V4.1 Bluetooth Headphones for iPhone7 Android With Noise Cancelling Sweatproof,Waterproof Fit for Sports Games Gym Blustooth Stereo Earpbuds Were Authorized by CE,FCC,ROHS and UL.Unique magnet adsorption design.Outstanding snapshot function. Bluetooth EDR V4.1 Connects up to 33 Feet(Range based on without any obstacle).Continue working for Over 8 hours,Standby for 10 days,USB charging for 2 Hours 3,Support to connect two devices onec at same time,In-line Control Valume Function. Support to connect two devices onec at same time,In-line Control Valume Function. Compatible with iPhone iPod iPad HTC XIAOMI SAMSUNG Android Smartphones MP3/MP4 Bluetooth Players Tablets and All Bluetooth Music Devices In-ear design for games,gym,sport during Camping,Hiking or Other Outdoor Activities