TWS Wireless Earbuds Bluetooth 5.1 Compatible with Cell Phones PC's Tablets and most other Devices with Bluetooth. Waterproof Earphones in Black, Pink and White Elevate your music experience with these Bluetooth earbuds from TWS. With wireless technology, these earbuds are compatible with all phones, laptops, and tablets with Bluetooth capabilities. The in-ear design is perfect for those who want to enjoy music without any external noise interference. The earbuds are waterproof, making them perfect for use during workouts or in rainy weather. The built-in microphone allows for easy hands-free calling while the double earpieces provide a comfortable fit. These earbuds are the perfect combination of style and functionality and are sure to enhance your music experience. ♪♫【 Individual power display of earbuds and charging case 】: L/R Bluetooth earbuds battery separated LED display design, it will display how much battery remaining in the charging base When putting into the case, you can know when is the best time to charge. ♪♫【 Up to 90 hours play time, charge as you go】: Built-in rechargeable battery charging case, wireless earbuds can play for 1 to 3 hours on a single charge, portable charger box recharge can provide 90 hours playback. They can be charged automatically once the earbuds are put in the charging case.You can go out for fun without worrying about battery shortage, your needs are met from the start of the day to its end. ♪♫ 【Latest Bluetooth 5.1 technology, one-step pairing】: Ensure your great experience with fast, stable and efficient transmission.Taken the left and right Bluetooth headphones out from the charging box, then “F9” automatically appear on your smartphone. Keep your mind rest on calls or music without worrying about Audio dropouts. ♪♫ 【Snug fit 】: Ergonomic designed to fit comfortably in your ears for active lifestyle, F9 TWS Stereo headphones comes with three adjustable ear cup sizes right from the box, you can focus on reaching new heights in your workouts. ♪♫【IPX5 waterproof】: These true wireless earbuds against damage from sweat or rain. They won’t get in the way of enjoying sports, music and calls. Perfect for fitness travelling and etc. Note: the charging case is not waterproof. Please note that these earbuds aren't for swimming, the term waterproof ( Waterproof has different ratings going from IPX1 TO IPX 68)SECTION B:1- ONCE YOU RECEIVE YOUR PRODUCT PLEASE MAKE SURE YOU CHARGE THE CASE IN FULL WITH THE EARBUDS IN IT, IF THE EARBUDS ARE BLINKING WITH A BLUE LIGHT THAT MEANS THEY'RE NOT TOUCHING THE CHARGING SLOTS OF THE CASE, WITH A SLIGHT TOUCH PUSH IT DOWN A BIT TILL THE BLUE LIGHT TURNS OFF AND YOU BARELY SEE A RED LIGHT 2- ONCE THE CHARGING CASE IS FULLY CHARGED AND THE EARBUDS ARE CHARGED, PULL BOTH EARBUDS OUT OF THE CASE AT THE SAME TIME, IF THEY'RE BOTH BLINKING IN BLUE WAIT FOR FEW SECONDS TILL ONE OF THEM STOPS BLINKING, IF ONE OF THEM STOPS BLINKING THAT MEANS THE TWO EARBUDS PAIRED TO EACH OTHER AUTOMATICALLY, IF WHEN YOU PULL THE EARBUD FROM THE CASE IT DOESN'T BLINK YOU NEED TO HOLD THE POWER BUTTON OF THE EARBUD FOR FEW SECONDS TILL IT STARTS BLINKING IN BLUE.. 3- GO TO YOUR PHONE, MAKE SURE YOUR BLUETOOTH IS TURNED ON, THEN SCAN FOR DEVICES, ONCE SCAN IS COMPLETE LOOK UNDER THE LIST OF " AVAILABLE BLUETOOTH DEVICES" FOR F9, CLICK ON F9, THEN YOU WILL BE ASKED IF YOU WANT TO CONNECT TO IT, CLICK YES... THAT'S IT FOLKS, YOU'RE CONNECTED.... ENJOY YOUR STEREO HD SOUND QUALITY! 4-IF YOU CHANGE THE LANGUAGE BY MISTAKE PLEASE GO TO ANY DEVICE THAT YOU PAIRED YOUR EARBUDS WITH, UNPAIR THE EARBUDS FROM THEM, THEN TURN OFF THE BLUETOOTH OF THAT PARTICULAR DEVICE, THEN PULL THE EARBUD THAT HAS THE WRONG LANGUAGE FROM THE CASE, IF IT BLINKS IN BLUE THAT MEANS IT'S POWERED ON, PUT IT IN YOUR EAR, DOUBLE TAP THE POWER BUTTON TILL YOU HEAR ENGLISH, DO THE SAME FOR THE OTHER EARBUD IF THE LANGUAGE ON THERE IS DIFFERENT! 5- PLEASE DON'T QUICKLY RUSH TO FILE A RETURN, CONTACT US FIRST, FREE RETURNS IF THEY ARE ABUSIVE EBAY ALLOWS US TO DEDUCT 50%, MOST TROUBLESHOOTING IS DUE TO USER ERROR SINCE WE TEST ALL UNITS PRIOR TO SHIPPING THEM, NO UNIT LEAVES OUR LOCATION BEING DEFECTIVE.