Crazy Genie Wireless Bluetooth 4.0 Stereo Handsfree Headset Sport Earphone Headphones with Mic for Tablets Smartphones iPhone 5 Samsung Galaxy HTC (Red) Compatible with most Bluetooth smartphones, tablets Sweat-proof: Effectively prevent sweat and rain interfere with headset operation On-ear music/call controls help avoid removing earbuds from ear or dealing with tangles wires. Onscreen Battery Meter reminds you charge the headphone in time when the headphone low electricity. Stereo sound, enjoy the music beat Up to 8 hours.Fashion Styling Leading the trend.Calls hands-free, drive travel more at ease.Long time standby time about 60 - 80 hours. Work and travel is a good helper.