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