Brand new, unused, free shipping (simple packaging, mail service) Price not negotiable. *There may be damage to the outer box. Please be aware of this. Completely wireless earphones, slim Bluetooth, sleep earphones, sleep headphones, small, canal type, headphones, sleep Color: Black Size Case: 76.5 x 40 x 26.6mm Earphones: 25 x 25 x thickness 10 (excluding button part) mm Weight Earphones (both ears): 5.5g Case: 25.5g Power supply: DC5V/1A (USB power supply: Type-C terminal) Package: Earphone body x 1 Charging cable x 1 Charging case x 1 Instruction manual (English, Chinese) Compatible with iPhone & Android 〈Re-pairing method for left and right earphones〉 If you can only hear one earphone, please try the following troubleshooting steps. (1) Turn off Bluetooth on your smartphone (or other connected device). (2) Take the left and right earphones out of the case and double-click the button on the right earphone. (3) When the light on the left earphone turns off, pairing is complete.