Bluetooth Headphones Honstek H5 Wireless 4.1 Stereo Earbuds Sports/Running with Mic for iPhone/Samsung Galaxy/Android Phones(Black/Gold) Advanced Bluetooth 4.1 Technology: Featuring the CSR4.1 8635 imported high-end single-chip + CVC6.0 Noise Cancellation reduces outside noises, enable clearer stereo sound from microphone. Support Voice Control, re-dial latest phone number, Volume control, scan forward and can pair with 2 different devices simultaneously The H5 bluetooth headphones are lightweight and comfortable enough to wear. Use ergonomic 3D Neck-behind,minimal&sweat-proof design, flexible and durable design, best choice when you do sports Bluetooth Version: Operating Distance: About 10 meters; Charging time: 1.5-2 hours; Standby time: About 320 hours; Talk/Playing time: About 11 hours; Frequency Response: 20Hz-20kHz; Frequency Range:100-10KHZ The bluetooth headphones come with a USB Charger Cable, 2 sets of eartips, Instruction Manual and Warranty Card. 1-Month Money Back Warranty Compatible with most of Bluetooth devices, including iPhone 6s/6 Plus, iPhone 6s/iPhone6, iPhone 5s/5c/5/4s/4, iPad Mini / iPad Air; Samsung S6 Edge+/S6 Edge/S6/S5, Note 5/4/3, Galaxy Tab Tablets; HTC A9/M9/M8, Google Nexus smartphones, etc