Compatible with iPhone iPod iPad HTC XIAOMI SAMSUNG Android Smartphones MP3/MP4 Bluetooth Players Tablets and All Bluetooth Music Player Devices Attributes: 1. The Bluetooth version: 4.1 2. Accept or reject phone calls while sporting 3. Enjoy the stereo Music while sporting or driving 4. Pair with Bluetooth enabled PC Tablet Mobile Phone 5. Support to connect two devices at same time 6. Standby Time: 10 days 7. Working Time: Over 8 hours 8. USB Charging for 2hours 9. Come with a Micro USB cable 10.Working Distance:33 Feet(Range based on without any obstacle) How to use 1. Press and hold the Turn on/off button for 7 seconds to enter into the pairing model, you will see the red and blue light flash alternately. 2. Turn on the Bluetooth device of your Cellphone, and searching the Bluetooth device. 3. Normally it will not need pairing pass word, but if it is needed, pairing pass word is 0000. 4. You could also enjoy your music while sporting, short press the + or - button to volume+/volume-, long press the +/- button to choose next or previous song. Ear bud magnet function When the ear buds are not in use,you can easily wear the ear buds securely around your neck using the magnet in the ear buds. Package includes 1 x Wireless Stereo Bluetooth Headset 1 x Micro USB Charge Cable 3 x Interchangeable ear bud covers 1 x Instruction manual 1x Tough Earphone Box Warning 1.You must charge the ear buds with the included micro USB cable. Using other charging cables could cause damage to the ear buds. 2.The ear buds contain a magnet in the ear bud casing, If you have a metal plate or a electronic media device in your body, please consult your doctor prior to using the ear buds