DCU TECNOLOGIC 34152040 Feedforward Active Noise Cancelling Earbuds User Manual
Discover the 34152040 Feedforward Active Noise Cancelling Earbuds user manual, featuring crystal-clear calling and a noise reduction depth of -25~-28dB. Learn about the Bluetooth V5.0/5.2 technology, waterproof rating, and 3-year warranty. Follow instructions on usage, charging, and safety precautions. Get the most out of your Cancelling Earbuds experience.