Wireless Earbuds, Bluetooth 5.4 Ear Buds LED Power Display Headphones Bass Stereo, Bluetooth Earbuds In-Ear Noise Cancelling Mic, 40H Playback

Description E7S Product Parameter: ● Call duration: about 4 hours ● Bluetooth version: 5.0 ● Working distance: about 10M ● Music time: 3.5 hours ● Headphone battery capacity 450MAH ● Charging compartment battery capacity: 2200MAH ● Waterproof level: IPX5 ● Music playback time: about 4 hours ● Standby time: about 80 hours ●Without Packaging Box ●NOTE: When using for the first time, please put the earphones into the earphone case to charge using a 5V/2A USB cable When using for the first time, please pair the connection When making calls, only one earbud works The sound is intermittent, the reasons are: ①The distance from the connected device is more than 10 meters②The partition wall③Nearby interfering signal connections