TENS + EMS 2 in 1: Relieve muscular, chronic, nervous and even acute pain. Tone and firm muscles. Improve their blood circulation. Safe And Effective Relief: Natural, drug-free and very effective in relieving pain with a muscle stimulation effect. Rechargeable And Powerful: 16 automatic modes Options -7 EMS, 5 TENS, 4 TENS EMS- and 8 types of massage. This electrotherapy device requires a full charge before first use. Once charged, the rechargeable lithium-ion battery provides this unit with . Two Channels For Different Zones: Two independent channels control the electrodes in pairs allowing application in different zones simultaneously. 20 intensity levels can be chosen independently for each output. 4 high quality electrodes are included (replacement electrodes sold separately). Safety: Do not use the product if you have a pacemaker or existing heart disease, implanted metal devices/areas of body screws or suffer from epilepsy. Standard configuration. 1 X *HOST 1 PAIR* of Palm-Shaped Patches P> 1 PAIR* of Oval Shaped Patches 2*3.5 Head Electrode Cables 1 X *Power Charger 1 x *USB cable 1 x * wired version (tool for placing patches and wires after massage) 1*unisex manual (English) 1 *Meridian card < br> 1 x *flocked blister 1 x *colored box