Imprint Method: Digital Inkjet - The tempered glass on the surface offers a vivid customized look for these True Wireless Earbuds. Once the True Wireless Earbuds are removed from the charging case they automatically power on and pair to each other! Once connected the earbuds will provide 4hrs of premium sounding audio at max volume! With built in touch controls all you need to do is tap the earbud to accept a call or change the audio. The built in microphones allows for a crystal clear call. The charging case will charge the True Wireless Earbuds 5x from 0 to 100%. It takes 1.5hrs to charge the earbuds. It takes 2.5hrs to charge the case. Type Charging Cable, Small, Medium, and Large get ear tips are included.