Bluetooth Headphones, AKEDRE&reg; Wireless Bluetooth 4.1 HD Stereo Headphones with Microphone, noise cancelling Hands Free Headphone Earbuds for IOS, Android cellphone and Bluetooth Devices (Blue) ENJOY CLEAR CONVERSATIONS ON BOTH ENDS OF THE CALL: Bluetooth Headset contains Clear Voice Capture CSR's own echo cancellation and noise suppression DSP software technology for enhancing the audio quality of wireless products. COMPATIBLE WITH ALL PHONES THAT ARE BLUETOOTH ENABLED: Apple, BlackBerry By RIM, Cal-Comp, Danger, HP, HP Palm, HTC, Huawei, Kyocera, LG, Motorola, Nokia, Pantech, PCD, Samsung, Sanyo, Sharp, Sony Ericsson, UTStarcom, ZTE Connect to 2 Devices: It can be connected with up to 2 Bluetooth devices, like iPad+iPhone, at the same time through Bluetooth Easy to pair, control volume, start/stop the music, The 180 degrees flip allows to adjust the angle and fit this headset in right or left ear , providing great convenience for users. Up to 10 hours of talk time, up to 240 hours of standby time