NAXA Electronics NE-928 Wireless Earbuds with Bluetooth Technology Enjoy music wirelessly from smartphones, laptops, tablets, and other Bluetooth enabled devices Built-in microphone allows you to take and make hands-free calls from a connected smartphone Control volume, music playback, and phone calls with buttons on the headphones Rechargeable lithium battery provides up to 4 hours of music play time or 3 hours of talk time Accessories included: USB cable, additional ear tips