Introducing the "LUCILLA" fully wireless Bluetooth ver5.0 earphones. These independent left and right earbuds have no cords, allowing you to enjoy music comfortably. They are IPX4 water-resistant, so you can use them without worry in the rain or when sweating. They support SBC/AAC codecs for high-quality audio playback. They offer approximately 4 hours of continuous playback, and up to 100 hours of standby time with the charging case. Model Number: BTTWLU001 Color: Black Communication Distance: Approximately 10m (line of sight) Playback Time: Approximately 4 hours / Charging Time: Approximately 2 hours Accessories: Ear tips (S/M/L each 1 set), charging cable, instruction manual/warranty *Since this product is new, unused, and unopened, we have not confirmed its operation. *There may be some scratches on the outer box.