Wireless Bluetooth Headset Stereo Headphone Earphone Built in Microphone Bluetooth Earpiece Compatible with All Bluetooth Cellphone Tablets Car Driving Hiking Working (Black) Wireless Technology: Bluetooth 4.0 +EDR. built-in high quality Bluetooth chip with Stereo earphones ensures you could enjoy Clear Sound. Bluetooth Earpiece Functions: Listen music, Answer / End calls, Incoming calls report, Voice answer "YES" or reject " NO" the call. Connect with two phones at the same time, easy to pair. up to 10 meter Bluetooth cover range. Compatible with most Smartphones, iPhone, iPad, iPod, Android Phones which has bluetooth function Built-in microphone makes it possible to use the headset for Calls. let your hands free when you are driving or working. Noise Cancellation, Voice Prompts. Support and limited on iPhone to Display the Battery Level of the Bluetooth Earphone.