High sound quality, built-in capacitive battery, and comfortable ear pads make these headphones an ideal choice for active people who value comfort. The headphones have a built-in microphone that allows for making calls when the device is connected to a phone or smartphone with a built-in Bluetooth module. Additionally, there is the option to receive and end phone calls. Total length approximately 65 cm. Damage-resistant cable. Built-in lithium-polymer battery. Talk/music listening time: up to 5 hours. Sensitivity: 119±3dB. Bluetooth range up to 10 m. Charging via micro USB cable (included). Weight 20 g. Number of pieces. in the carton: 200