Description: Advanced BT 5.1 technology provides fast transmission speed and high quality signal, which is easy to connect with BT enabled devices. Ergonomic design, adjustable headband length, soft leather ear pads, easy to store and comfortable to wear for long periods of time. HD-compatible headphones support music playback by BT connection and 3.5mm audio cable. Let you enjoy endless music. The built-in microphone enables hands-free calls, frees your hands when exercising, and provides clear and true call sound. It is constructed of abs material. The length of this product is 18cm and width is 15.6cm. The 200mAh rechargeable battery ensures about 12-15 hours of music playback, 8-10 hours of game playing and has about 400 hours of continuous standby time. Suitable for running, driving, fitness, playing games, traveling, etc. Item Name: Wireless Headphone Material: ABS Earphone Type: Head Mounted Noise Reduction: Smart Noise Cancellation Playback Control: Yes Battery capacity: 200mAh Bluetooth-compatible Version: 5.1 Play Battery Life: 12-15h Game Battery Life: 8-10h Impedance: 32 ohms Sensitivity: -42dB Output: 5V-1A Standby time: 400h Features: Built-in Mic, Low Latency, Stereo Surround Size Details: L: 18cm/7.09", W: 15.6cm/6.14"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Headphone 1 x USB Charging Cable 1 x AUX Cable 1 x User Manual Advanced BT 5.1 technology provides fast transmission speed and high quality signal, which is easy to connect with BT enabled devices. Ergonomic design, adjustable headband length, soft leather ear pads, easy to store and comfortable to wear for long periods of time. HD-compatible headphones support music playback by BT connection and 3.5mm audio cable. Let you enjoy endless music. The built-in microphone enables hands-free calls, frees your hands when exercising, and provides clear and true call sound. It is constructed of abs material. The length of this product is 18cm and width is 15.6cm. The 200mAh rechargeable battery ensures about 12-15 hours of music playback, 8-10 hours of game playing and has about 400 hours of continuous standby time. Suitable for running, driving, fitness, playing games, traveling, etc.