About this item Touch Control & Volume Control - Together with smart touch sensors, AZAELA wireless earbuds can get ultimate control (Volume Control Available) without using the phone and largely prevent the discomfort like the physical button (90% of Wireless Earbuds: Volume Control Unavailable). With ergonomic and redesign, AZAELA wireless earbuds can fit and stay secured in ear canal even with intense movement. Sound Like a Pro - A premium audio quality is essential to achieve greater performance. Installed with apt-X technology, AZAELA wireless earbuds provides powerful, low-bit rate transmission and scalability for free lossless audio. Nothing more important to always have music with you through the toughest workout. Great Battery Life - The wireless earbuds alone provide up to 5 hours of high-quality sound output on a single charge, and the included charging case provides an additional 4 charges, giving 25 hours of total playtime. One-Step Pairing & IPX5 Water Resistance - Simply take the wireless earbuds out of the charging case and they will automatically connect to your phone (after being paired the first time). IPX5 water resistance makes them ideal for intense workouts and runs. Universal Compatibility - AZAELA Wireless Earbuds Compatible with most wireless music players, including Android smartphones, PC and Mac.