HIFI Stereo Sound and Deep Bass Sendowteck noise canceling headphones with built-in high-quality 40mm drivers for impressive HD sound quality. The powerful deep bass and exceptional clarity can not only enhance your listening experience, but also bring a wonderful musical journey. This Bluetooth wireless earphone also supports dual modes with 3.5mm AUX cable input to meet your different usage needs. Cute Cat Ear with LED LightsBluetooth headphones with a lovely cat ear design and fancy LED lights. Built-in 400mAh battery can play with LED lights for about 10 hours. Ideal Christmas/Birthday gift for family and friends, suitable for office work/sports/school/travel etc. Foldable and Lightweight DesignFoldable design, easy to carry, save space, more than 2000 folding tests, can be used for travel and school. The earbuds are stretchable to get the best ear fit. The soft earmuffs and ultra-light weight of 7.7 ounces ensure long-term comfort. Hands-Free Calling & Built-in Cvc6.0 MicBluetooth headphones provide a fast and stable connection with your Bluetooth-enabled devices such as cellphone, laptop, PC, TV within 10m/33ft. In CVC6.0 noise-cancelling microphone for hands-free calls. NOTE: In Wire mode, the headphones can also be used to make phone calls due to the built-in microphone. Built-in TF card slot and stable compatibility - The headphones are built-in a TF card slot, the TF -Cards within 32G supported. You can use it as an MP3 player and enjoy the loaded music directly.