Maxell MXH-BTW1000 Completely wireless Bluetooth earphone TWS (BC Black x Copper)

Newly developed PEN material diaphragm Equipped with a lightweight and high-strength PEN material diaphragm to achieve clear and excellent spatial reproduction.Using a newly developed chip for approximately 5.5 hours of continuous playback The power-saving chip allows for approximately 5.5 hours of continuous playback on the main unit, and up to 22 hours of playback including charging the case 3 times.Special UV coating that is stain resistant The matte texture makes it stain resistant, and even if it gets dirty, it can be wiped off quickly. White x CopperSpecial soft coating with a nice touch Adopts a wet texture that is comfortable to the touch and has a good grip. Black x Copper / Black x BlackSupports Ver.5.0 with little delay / Uses 4 sizes of earpieces, XS/S/M/L (2 each). / Hands-free calling / Plays clear mid-high range and well-balanced low range sound.