EAGEAT Air Wireless Bluetooth 5.3 In Ear Transparent Earphones

describe Bluetooth version: Bluetooth 5.3Transmission range: 15mMusic time: approximately 7 hoursCall time: approximately 4 hoursTotal working time: approximately 25 hoursRechargeable case battery: can charge the earphones 4 timesHeadphone charging time: approximately 1 hourCharging time for the charging case: approximately 1.5 hoursEarphone size: approximately 14.1×9.5×3.5cmSingle earphone weight: approximately 11gOverall size: approximately 57.5×47.5x19cmOne Bluetooth earphone is not working1. Check if the set mono output can be adjusted to two ear channels.2. Check if the battery of a headphone is depleted3. Check if the two headphones are connected to both devices. You can close the connection and remove the Bluetooth earphones from your phone’s Bluetooth list.Pair your phone again and then play the audio again One Bluetooth earphone is not working 1. Bluetooth earphones are left for too long. If not used for a long time, the lithium battery inside the earphones will be in a “sleep