THESE BAND ARE AUTOMATICALLY UPDATED WITH HEALING FREQUENCIES EVERY TWO MONTHS OR SOONER!!!... FULLY CHARGED!!!.. 2 SAME SIZE BAND PACKAGE... ALLOW 14 DAY'S FOR SHIPPING.... RE-LOADABLE HEALING POWER LIKE NEVER BEFORE IN A BAND!... Comes in 3 sizes 202mm, 180mm, 160mm Please size wrist before ordering THANK YOU!!! ⚡💥💖💪