True Wireless Earbuds Bluetooth Waterproof Stereo Bluetooth 5.0 Headphones Sports Mini Earphones with 2200mah Charging Case/Box Built-in Mic and Volume Control Brand New $40 True Wireless Stereo's best feature is wireless, helping people no longer have to worry about headphone wires were entangled Only need to take out two earbuds(Left earbud first) or the Main(L) Earbud after you open Bluetooth function, they will connect automatically. Use the ergonomically designed with gel-flexible silicone earcaps to ensure your In-Ear Headphones fit comfortably to the ears Wireless earbuds can last about 3 hours’ playtime from a single charge and the charging case provide extra 18 times recharge. 2 x Bluetooth Earbud(with Ear cap), 1 x Charging Case, 5 Pairs x Ear Caps(Size S/ M/ L, PLEASE try different sizes Ear Caps first to exchange better using experience.