【Latest Bluetooth 5.1 & Superior Sound Quality】:The True Wireless Earbuds uses the latest Bluetooth 5.1 chipset. It provides faster and more stable signal transmission within 32 feet.The in-ear earbuds use 8mm graphene drivers to give the sound a deep bass and stereo effect. This gives music a wider soundstage and superior clarity.
【180H Long Playtime & LED Display】:A single charge gives you a full 5 hours of listening, while the charging case extends that to 180 hours.The LED display on wireless headphone accurately display the remaining power of earbuds and charging case. Besides, charging case can be used as a power bank to charge your phone in an emergency.
【One-Step Pairing & Touch Control】:Open the earphones charging case they'll automatically connect to the last paired device! By touching the wireless earphones to answer/hang up the phone, play/pause, Previous song/next song , volume up/down, and access to other functions, the operation is very simple and convenient.
【IPX8 Waterproof & Ergonomic Design】: The waterproof sports earphones use nano-coating to professionally protect the interior from the influence of water and sweat and prolong the service life.The unique earfin design conforms to the ergonomic design, making the running headphones comfortable and fit, even if you exercise vigorously, you don’t have to worry about the headset slipping off.
【Packing Specifications & After-sales】:U-AIR4 running headphones includes a recharging case, wireless earbuds, Type-C charging cable, earplug/earfin × 3 pairs (initial installation M), and instruction manual. If there are any quality problems with the sports headphone during the 180-day warranty period, contact us via Amazon Mail and we will offer you a refund or replacement.