... shoot 40,000Hz ultrasonic, after entering the body, will make the fatty cells produce mighty cracking effect ... .5. Non- exhaustion, low cost investment and quick high returns.. FEATURES1. Free operation, . non-anaesthetic.2. No ruggedness ... , good effects, no rebounding phenomenon.5. Woundless, will not influence the nomal working and living.PACKING LISTDescriptionQtyStrong ultrasonic head1pcUltrasonic ...