White Wireless Stereo Bluetooth Headset Universal Vibration Bluetooth Neckband Style Earphone Bluetooth Headphones Wireless technology: bluetooth v4.0 Works with any bluetooth-enabled device. Wireless range: up to 10 meters. Battery indicator: On iPhones and iOS devices. Music Time: up to 6 hours depends on device and usage. Weight: 41g Built in apt-X technology reproduces CD quality sound over a Bluetooth connection Unique, around the neck, wearing style provides all day comfort and ease of use Bluetooth Version: V4.0, Support A2DP, AVRCP Suitable for: all kinds mobile phone with bluetooth Built-in microphone for making calls Package Includes: 1 x Wireless Headset 1 x USB charging cable 1 x USB manual