RadioShack BUZZER 3304278 Stereo Bluetooth headphones. With Bluetooth V5.0 and active noise cancellation, includes quick access controls, internal microphone + hands-free function, 3.5mm input for audio cable and a modern, foldable design with ergonomic color ear pads. white, powerful 40mm speakers and 10W power output. They include an internal battery that provides 7 to 9 hours of playback and are compatible with tablets and smartphones.