Bluetooth 5.0 True Wireless Earbuds with Charging Case,HD Stereo Sports in-Ear Headphone for Working Running IPX7 Waterproof Built-in Mic Wireless Earphone (White)

True wireless earbuds, Bluetooth 5.0 Earbuds Waterproof Sports in-ear Headset User Manuao Blutooth version : 5 . 0 + edr Battery voltage : DC 5V Battery : 3 . 7V / 50mah play time : 3-4 hours Charging time : 40-50 minutes Support : HFP1.7 , HSP 1.2 , A2DP1.3 , AVRCP 1.6 , SPP1.2 , PBAP1.0 Sensitivity : 120 + 3db Frequency : 20-20000HZ. Feature: Dustproof / Waterproof -- IPX5 National Industrial Standard waterproof grade, which can be put in ears when you are walking in the small raining day. 2 earbuds have true stereo call making for crystal clear voice transmission at the same time Anti-fall lobe shape--Stick to your ears all the time whenever you are running in the morning, play tennis in the sunshine NOTE: 1.The earphone should be stored in a dry environment to avoid oilwater moisture, and dust affecting product performance 2 Avoid using stimulus, organic solvents to clean the earphones 3. The use of the earphone should be correctly as per the specification pay attention to do not use the earphone in the above ban environment.In order to ensure the smooth connection, it is suggest that the distance between the earphone and phones within 10meters. 4. If the earphones failed to connect or with poor connection, pls do not Dismantling the earphone by your own 5. Regarding charging earphones, please use the standard usb cable or the one supply by our company to charge the earphone