Bluetooth 5.0 Wireless Earbuds, Cshidworld True Wireless Headphones IPX7 Waterproof 24H Playtime Deep Bass HiFi 3D Stereo Sound Auto Pairing Bluetooth Headset with Charging Case UPGRADED BLUETOOTH 5.0 & ONE-STEP PAIRINGTrue wireless Bluetooth V5.0 with CVC 6.0 noise cancellation technology let you enjoy incredible sound quality with deep bass and crystal crisp treble. Just power on the both earbuds,they will sync and pair with your phone automatically, never worry about lost connection. Real wireless earbuds, wireless music listening, hand-free phone conversation, and get rid of wire mess. MULTIPOINT CONNECTION & SHARE MODEBoth earbuds have built-in mic, so that you can make calls via both earphones. It can be used individually, each earbud pairs with separate device. Also can be used dual as you wish, which means you can share the same music/movies with friends and enjoy the clear stereo sound by using both headsets. 24 HOURS PLAYTIME & CHARGE ON-THE-GOEquipped 500mAh battery in the portable charging box, which can support 4 times fully charging for the wireless earbuds and let you enjoy up to 6 hours of premium quality music playtime and 8 hours talk time after each single charge. Only takes 1.5 hours to be fully charged. Never worry about low battery when you are out all day. SECURE FIT & IPX7 Water ResistantSuper lightweight and the stabilizer design according to ear geometry to ensure a secure, comfortable fit for any ear. IPX7 water-resistance protects the earbuds against rain and sweat. Feel free to enjoy any sports such as running, biking, training, jogging, hiking, exercising with them in your ears. AFTER-SALES GUARANTEESimply one press to answer or reject phone calls, Bluetooth pairing, power on and power off, pretty easy to use. We offer Free lifetime technical support and 12-month worry-free Guarantee for hassle Free Replacement or Money Back. If you are not satisfied with your purchase for any reason, please feel free to contact us. <span class="a-text-bold">A:</span> Yes, it&#039;s very easy to connect. For initial use, press 1s the multi-function button of the both earbuds respectively to power on, the earbuds will pair with each other automatically.(Voice Notice: Power on ---&gt;TWS Connected) ; Open cellphone bluetooth and set it as open detection, when Air Headset appears in available devices, press to connect. The LED flash in Blue continuously. (Voice Notice: Connected) <span class="a-text-bold">A:</span> Please restart and follow the above steps to pair both firstly.If still cant work, please follow below steps to reset the headsets: Make sure the power is enough, put both earbuds close and press and hold the both function button for 15s, after &#034;Power Off--Power On--Power Off &#034; processes completed, release the both button and the default setting recovery completed. <span class="a-text-bold">A:</span> If your cellphone can not find &#034;Air Headset&#034;, please double check if your cellphone Bluetooth is at &#034;Equipment visible mode&#034;. After initial pairing, the earbuds will automatically pair for repeat use. If not use for a long time, need to follow up pairing procedures to pair again.