Sinoriko Cold Laser Therapy LLLT Low Level Laser Light Pain Relief Device. Power lever: L1, L2, L3, L4. Twice-Press protection set to avoid accidentally emitting. 13pcs x 650nm and 3pcs x 808nm. More lights have been added to improve efficiency.
NOTE: THE THREE LIGHT OF 808NM ARE INVISIBLE. NOTE: It takes 4-5 hours to fully charge through. Please remove the charging cable before turning it on. Otherwise, it cannot be turned on. The simple and safe way improves efficiency and is a perfect gift for parents and friends.