Wireless Handfree

Detail:This wireless earphone of Lenovo brand is chiefly designed for long-time and high quality of playing. The awesome stereo earphones not only equipped with the fastest and stablest BT 5.0 chip, but also built-in the premium CVC noise canceling microphones which allow you a ultimate music pleasure. What's more, the earphones come with large capacity of battery providing 8 hours paying time, absolutely the best choice for gym sports, running, jogging etc.Specification- BT version: 5.0 - Material: metal, silicone, TPE - Transmission distance: 10m (accessible) - Waterproof: IPX5 - Dustproof: IP6X - Battery: 3.7V / 80mAh - Working time: about 8 hours - Standby time: about 120 hours - Charging time: about 2 hours - Horn diameter: 10mm - Speaker sensitivity: 98dB - Frequency response range: 20-20kHz