Enabled by the advanced CSR Bluetooth 4.0 technology, the stereo headphones boast an unmatched wireless range of up to 33 feet
• Built-in rechargeable Li-ion battery charges quickly in 1.5 hours and provides playback for 6 hours and up to 30 hours of standby time.Fully charged the battery before using it the first time.
• Built-in microphone and in-line control provide effective hands-free solutions for streaming music and answering phone calls
• There are 4 buttons including an on/off button, multi-functional button, answer/end call button and a volume/music button
• Bluetooth Headset is compatible with virtually every Bluetooth enable devices such as cell phones, laptops, PCs, tablets and TVs
• Can be used as a wired headset as well with the provided 1.5m audio cable, enabling you to listen to music without using the battery
• Perfect for use while working out, enjoying your favorite sport, relaxing at the beach, between meetings for work or waiting at the doctor's office