DETAILS Option 1: Audio Jack: 3.5mm Compatibility: Samsung Galaxy S8 S9 S10 Series Volume Button: Yes Mic: Yes Color: White / Black Option 2: Audio Jack: USB Type-C Compatibility: Samsung Galaxy S20 S21 Series / Galaxy Note S10 S20 Series Volume Button: Yes Mic: Yes Color: White / Black Compatible with other brand cellphones that has 3.5mm or USB Type-C Audio Jack Comes with extra earbud rubber cover POLICY Warranty Return: We provide free return shipping label. This policy will be covered in United States ONLY. Any international buyer or location must return a product at your cost. No exception. Payment: Paypal and Major Credit Card Accepted through Shipping operation day: Monday - Friday Same-day ship out available before CUT OFF time (Deadline): 7:00AM PT (10:00AM ET) Friday: If you order an product after deadline, it will be shipped on next available business day. No exception. (CLOSED on SAT, SUN) We do not offer faster shipping service than we provided on shipping option tab. If you want to use your own shipping label, please contact us immediately after purchase a product. Shipping carrier can be changed without any notice. We do not accept local pick up. Please leave a note if you want drop-shipping service.