B39UV Bluetooth 5 wireless headphones. 0

B39UV Bluetooth 5 wireless headphones.0 • Comfortable to wear: With soft cushioning and pressure-relieving pads to ensure comfortable, stress-free wear for extended periods of time, suitable for people of different ages. •Functions: adjust volume, switch songs, answer calls, reject calls, hang up calls, with RGB LED lights, Bluetooth playback, Bluetooth connection, Micro SD card reader, voice prompts, 3.5mm jack cable connection. •Bluetooth 5.0: High speed and stable transmission. •Includes USB charging cable and 3.5mm dual jack cable. Bluetooth: 5.0 USB charging cable: AC 110-240VDC input, 5V input Use time: 6 hours Standby time: 15 hours Charging time: 2 hours Frequency: 2.4 GHz – 2.4835 GHz ABS and metal alloy.