Description Superior sound quality. With DSP intelligent noise reduction technology, the item can deliver high quality music and enjoyable listening experience for compatible devices. Bluetooth V4.1. Easy to pair with your smart phones, tablets and other Bluetooth enabled devices. Strong Wireless Signal. You can enjoy skip-free music in a 10-meter working distance. Ultra long battery life. The Bluetooth headphone supports up to 4 hours of talking or playing music with 60mAh polymer Li ion battery for one off full charge ALWAYS ON PROTECTION: Durable TPU material for protection against daily wear & tear, small knocks & bumps and scratches EASY APPLICATION: The soft & flexible material allows the case to be put on and removed with ease ensuring your device is not damaged in the process SLIM FIT: Retain the original look of J7 Max & On Max by using thin fit slim case. It is 1.2mm in thickness and weighs less than 18 grams HD CLEAR TPU: Slim, transparent TPU protective case is used for design which reveals and enhances the original style of J7 Max & On Max PERFECT CUT OUTS: Extreme precision design allows easy access to all buttons and ports while featuring raised bezel to life screen and camera off flat surface.