Painless Wear Open Ear Headsets Wireless Bluetooth 5.3 Earphones 180° Rotatable Business Ear Ho
Product Feature: 180°rotatable earpiece,adjustableatanyangle suit for left and right ear.Bluetooth V5.3 chip,stable singal transmission.Bluetooth transmission distance: ≥10 meters.hook design stable and comfortable.Support adjust volume and change musicBattery capacity of the headset: 180mAhWorking voltage: 3.7VCharging voltage: 5V 1ACharging Time: about 1 hoursTalking time: about 20 hoursMusic time: about 18 hoursFrequency response: 20Hz-20kHzProducts include1 * Bluetooth headsets1 * Charging cable1 * User Manual