Joway H02 Ultra Light Hands-Free Wireless Bluetooth Headset, Mini Stereo Headphone with Microphone, Handsfree in-Ear Earbud for Most Smart Phones, Pads and Tablets Prompt Voice Language: Switch Between English and Chinese Prompt Voice by Pressing the Multi-function key and Volume Up key at same time for up to 4 seconds when the headset is power on. Easy to use, excellent Sound, smart Design, Bluetooth V4.1, operating Range: Up to 10 Meters Built in high capacity battery, Charging Time: Approximately 1.5hours, talk Time: Up to 6hours Connect Two Devices at The Same Time: Pair it with two Bluetooth-enabled devices at the same time and don't miss your calls when you have two cell phones! Compatible with all Phones that are Bluetooth enabled, iPhone 6 / Plus 5S 5C 5 4S, Galaxy Note 4 3 2 S5 S4 S3 and other Cellphones