FREESOLO Wireless Bluetooth 4.1 In-Ear Noise Isolating Blue Sport Earbuds with Mic and Controller, Sweatproof, Designed for Running, Jogging and Gym Colour:Vibrant Green   56S is designed for sports usage , made by waterproof material, ergonomic innovative and waterproof sweatproof design ensures this headset is comfortable and secure for sports ,running ,jogging ,walking ,exercising,etc. * Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones ensures you could enjoy high quality stereo bass sound. Mini Portable Wireless headsets with built-in microchpone and great Noise Cancellation produces clear loud sound, convenient and easy to answer and end the phones. * Bluetooth Version 4.1 supports hands-free with earhook, 30 Feet Bluetooth cover range. Compatible with all Smartphones, iPhone, iPad, iPod,Android Phone All Bluetooth devices. Technical specification: 1. Bluetooth ver: 4.1 + EDR , 2. Phone Talk Time: About 3 hrs 3. Music Play Time: About 5 - 6 Hrs. Standby Time: 100 hours 6. Charging Time: 1.5 to 2 hours . 7. Mic: Yes , Package Contents: 1 x Bluetooth headphone 1 x USB Cable . With 3 Pairs of Earbuds ( S / M / L ). PS:Please power on the Bluetooth by pressing the Power button for 3 seconds and continue hold the power button for another 5 seconds to enable the Bluetooth device to pairing mode. Now Select the Bluetooth model from your phone and connect.(Kindly note that bluetooth needs free space to transform bluetooth waves.So please do not tightly cover the receiver or transformer to ensure good connectivity)