Lenovo HE05X Bluetooth 5.0 Earphones

Lenovo HE05X Bluetooth 5.0 Earphones Waterproof Wireless HIFI Sound Magnetic Neckband Headset Sports Headphones-Super Stereo Bass Frequency: 20Hz-20KHz Sound level/Sensitivity: 92dB Power Output: 10mW Connection Type: Wireless Battery: 3.7V / 110mAh Lifetime: about 12 hours Charging input: Micro USB, DC5V, 500mA Duration Working time: about 8 hours Standby time: about 120 hours Charging time: about 2 hours Color: Black