Our tws earud with good quality and it’s a great promo gift for giveaway , portable design and with charge bin case , you can listen to music anytime and anywhere . Automatic system gives you a hassle-free experience when pairing and connecting to your devices. All you need to do just take them out from the case and turn on the left and right earbuds, two earbuds will connect automatically, put them on and you are ready to immerse in your music world.Customized logo by silkscreen print or full color print , UV full color print . available color for white and black , with charging bin 350mah , Enjoy music anywhere and anytime !