Dacom G10 Bluetooth 4.1 Headset Wireless Headphones Waterproof IPX5 Sports Stereo Music Earphone With Microphone For iPhone 6S Plus 6S Samsung Smartphone Features:Mini Lightweight Sports Wireless Bluetooth 4.1 Stereo Earphone Headset Headphones， Noise Cancellation， Microphone Hands-free in Call， Sport， GYM， Running， Jogger， Exercises， Game， Driving and Cycling， comptible with All bluetooth devices as mobile phone and tablet pc mp3 mp4 Specification: Bluetooth Version: V4.1Bluetooth effective distance: 10MSupport Mode: headset\/hands-free\/A2DP\/AVRCPAPT-XBattery: Lithium polymer battery Charging: USB charging ( DC 5V)Charging Time: About 4 hours ( while charging， the red light is on; when fully charged， the green light is on )Music Broadcast Time: Last for 8 hoursStandby Time: 48 hours package include:1 x bluetooth headset2 x Earbud1 x USB Cable1x user manual More detail: