Discover our versatile Bluetooth headphones with state-of-the-art 5.1 technology for crystal clear sound and stable connection. The generous 40mm speakers deliver an impressive frequency range from 20Hz to 20kHz for a balanced sound experience. With a battery life of up to 6 hours and a short charge time of only 2 hours, you are well equipped for mobile use. The built-in microphone allows clear phone calls, while the 3.5mm AUX input also allows wired connection. The 200mAh lithium-ion battery provides a remarkable standby time of 600 hours. The headphones impress with an impedance of 32 ohms and a sensitivity of 42 ± 3 dB, which ensures optimal sound reproduction. The power supply is conveniently via USB DC 5V, and the compact design makes it the ideal companion for on the go.