iTek Newest APT-X HBS-740 Mini Wireless Bluetooth Headset Stereo Sports/Running & Gym/Exercise Bluetooth Earbuds Headphones Headsets w/Microphone for Iphone 5S 5C 4S 4, Ipad 2 3 4 New iPad,iPad Air Ipod, Android, Samsung Galaxy S5,Galaxy 4,Galaxy 3,Sony L39h,L36h, SmartPhones (HBS-740 Black) Compatible with most cellphone and devices with bluetooth capabilities.High quality soud with HD speaker and enhanced BASS effect. CD quality sound with apt-X codex support. HD quality calls with VoLTE(voice over LTE) support. Support APT-X (lossless audio transmission technology).By bluetooth headset can enjoy CD level of music enjoyment, vivid and clear voice, call quality as neighbor dialogue Comfortable,flexible and light neckband made of ultra-light shape memory alloy. Easy to handle ear set with magnetic properties Using the world famous brands CSR4.0 Bluetooth Stereo Bluetooth chips Extended battery life !-Talk/Standby/Music Play Time : Up to 15 / 500 / 10hours iTek have the USA Trademark,you search iTek on usa trademark website