Elevate your audio experience with the KM-751H headset. With the latest version V5.1, this wireless headset ensures seamless connectivity with your device. Enjoy up to 12 hours of talk time and 10 hours of music time, with an impressive standby time of 210 hours. And with a quick charge time of just 1.2 hours, you’ll never have to wait long to get back to your music. Powered by a 3.7V 250mAh battery, the KM-751H delivers reliable performance for all your audio needs. Wireless Version : V5.1 Model Number : KM-751H Impedance : 32Ω Frequency Response : 20Hz-20KHz Music Time : 10Hours Talking Time : 12Hours Standby Time : 210 Hours Charging Time : 1.2Hours Battery : 3.7V 250mAh Colors : Black, Blue, Grey, Light Green