CALCINI Wireless Bluetooth 5.3 Earbuds IPX8 Waterproof Sport Bluetooth Headphones with Replaceable Ear/Wing Tips 40Hrs Long Playtime Bass Stereo Surround Dual Mic for Workout/Running/TV

Waterproof: IPX8 protection level, don’t worry about sports sweat, can be worn to shower. Note: The bluetooth signal cannot be transmitted in water, and the earbuds cannot be used for underwater use. Waterproof means that the earpbuds will not be damaged and affect the normal function after being dropped into the water.
Bluetooth Performance: Bluetooth 5.3. bleutooth range 10-15 meters, if there is a solid wall, the connection distance may be shortened.
Pairing and Connection : Take earbuds out, the earbuds will automatically turn on and paired. After the earbuds paired, both earbuds flashing blue light. When you turn earbuds on, the earbuds will auto connect your device after your first connection. When you put earbuds back to charging case, the earbud will turn off.
Long Battery life : 8 hours playtime for single charge, 4 times max recharge by charging case, you can check the battery by 4 indicator lights on charging case , every one show 25% battery. Rmind to charge charging case when first light blink.
Operation Function: touch operation, touch functions include: previous/next, pause/play, answer/hang up, reject, volume up/down, manual On/Off
Phone Call : With dual microphone design, exclusive sound pickup algorithm, effective sound pickup rate of 99%. Microphone port with noise-canceling structure design, noise shielding rate of 90%. The earbuds use of dual-channel mode, the left and right earbud can be used separately call function.You can use it for daily life calls, meetings, etc
Immersive Sound: The Calcini SweatPro 3 earbuds are built into exclusive custom S-Series speakers tuned by a professional tuner. It delivers punchy bass and stereo surround sound, with a wide soundstage that’s detailed and spacious, with deep bass, sweet mids and sparkling highs. The bass is especially suitable for sports, and the deep bass allows you to blend in with the movement, allowing you to enter an immersive music experience.
Compatibility: compatible with with IOS, Android, Windows systems, and all Bluetooth devices, you can connect your TV, PC, laptop, Pad and other devices.
Reset function: The earbuds has a reset function. When only one earbud works, cannot be paired or you can not find which devices connected, reset the earbuds to solve various connection or pairing problems. Warranty: Activate your warranty to get lifetime warranty service