1. The smart charging case is an perfect solution for carrying headphones with you ; 2. Comprehensive care, effectively avoid scratches, bumps and damage; 3. Comes with a USB charging cable, which is convenient for charging the earphone box; 4. No wireless charging function. Battery capacity:450mAh 652035 1.48Wh The maximum number of times the headset can be :2 times Headphone full time:1 hour Charging :Type-C port charging Applicable model:for Galaxy buds 2 SM-177 Colour:White Material:plastic Size:50x50x28mm/1.97x1.97x1.1in Package Contents: 1 * Earphone Charging Box 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.