Wireless Earbuds, Xunpuls Bluetooth Headphones Bluetooth V5.0 Deep Bass Stereo Sound Mini Sweatproof Sport Headsets in-Ear Noise Cancelling with Built-in Mic and Charging Case for Cell Phone (Black);

With no cord between, the true wireless earbuds enable you to enjoy music and video with your loved one to share happiness. You can also wear a pair together to immerse yourself in stereo sound.
Product Parameter
Bluetooth Version:V5.0
VCV Noise Reduction
Working Time:3H(about 60% volume)
Operating Frequency:2.402GHz-2.480GHz
Supports voice prompts and incoming call sign
Bluetooth Protocol:A2DP/HFP/HSP/AVRCP/SPP
Fault: Can't power on--Cause:Earbuds is low battery--Solutions:Charge the earbuds
Fault:Earbuds red light flash--Cause:Earbuds is low battery--Solutions:Charge the earbuds
Fault:No charging indication--Cause:The Earbuds are not well connected--Solutions: Adjust earbuds position
Fault:Automatically shut down--Cause: Earbuds is low battery--Solutions:Charge the earbuds
Fault:The earbuds has an echo--Cause:The volume is too high or the environment is too noisy--Solutions:Adjust the volume or change position
Fault:The earbuds are noisy--Cause:Outside environment interference or too far away from mobile phone--Solutions:Change position,or move closer to the mobile phone
Fault:Small sound--Cause:Wearing earbuds incorrectiy or the volume is too low--Solutions:Adjust the earbuds position or the mobile phone volume
Fault:Signal Intermittent--Cause:Outside environment interference or too far away from mobile phone--Solutions:Change to better environment or move closer to the mobile phone
Fault:Earbuds has no sound--Cause:Pairing not successful between L and R earbuds--Solutions:Pair the earbuds correctly