50 x 40 x 20 mm
♪♫【 Individual power display of earbuds and charging case 】: L/R Bluetooth earbuds battery separated LED display design, will display how much battery remains in the charging base When putting it into the case, you can know when is the best time to charge.
♪♫【 Up to 90 hours playtime, charge as you go】: Built-in 2000mAh rechargeable battery charging case, wireless earbuds can play for 4 hours on a single charge, portable charger box recharge can provide 90 hours of 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. Take the left and right Bluetooth headphones out from the charging box, then “F9” automatically appears on your smartphone. Keep your mind rest on calls or music without worrying about Audio dropouts.
♪♫ 【Snug fit 】: Ergonomic and designed to fit comfortably in your ears for an active lifestyle, F9 TWS Stereo headphones come with three adjustable ear cup sizes right from the box, so you can focus on reaching new heights in your workouts.
♪♫【IPX6 waterproof】: These are truly wireless earbuds that are against damage from sweat or rain. They won’t get in the way of enjoying sports, music, and calls. Perfect for fitness traveling and etc. Note: the charging case is not waterproof. 24 months warranty, If you are not satisfied with your purchase for any reason, Please feel free to contact us at any time.