Wireless Bluetooth 5.1 Earphones Air Conduction Headphones with Charging Case for Running Hiking Driving Cycling Waterproof Headset Description In contrast to in-ear earphones, this earphone makes you a burden-free wearing. It can avoid some dangerous situations from happening as you can also hear the surrounding sound when you use it to listen to music The open ear design helps you achieve the true as the earphone is no need to plug into the ear canal It can keep on your ear when running, dancing, or wearing glasses Produce stereo sound, making the call clear and stable. Built-in mic for hands-free phone calls clear and stable Quick connection, it will automatically connect when powered on The digital screen for showing the remaining power Specification: Charging case battery: 400mAh Earphone battery: 80mAh Cell voltage: 3.7V Battery life: >300 times Talk time: about 8 hours Music play time: 10 hours Standby time: 80 hours Sensitivity: 112.5±3dB Impedance: 32Ω Frequency response: 200HZ~20KHZ Input: 5V 0.5A~2A Package included: 2 x Earphones 1 x Charging Case 1 x USB Charging Cable 1 x English and Chinese User Manual Bluetooth Headset The More You Buy, the Better the Deal Christmaschristmas Decorations Before Christmaschristmas Decorations Clearancethe Before Christmasholidaynightmare Before Christmas Popchristmas Clearance