This Dual-Channel TENS & EMS Device offers 12 massage modes with each one owning 40 strength levels. And it shows current massage mode, strength level and preset time of 2 channel on LCD display. Besides, it supports adjusting time from 5 to 90 minutes. 

Feature: 
Dual-Channel TENS&EMS Device 
Adopt TENS and EMS low-frequency pulse techniques to relieve pains or relax tight spots. And with dual-channel output, it allows use by 2 person or in different areas. 

Considerate Design
It offers 12 massage modes with each one owning 40 strength levels, free to choose to fulfil your different needs. 

LCD Display
You can easily get to know the current massage mode, strength level and preset time of 2 channel. 

Adjustable Timer
You can adjust time from 5 to 90 minutes by press "Timer" button, and long press to be mute or produce buzzing sound.

Pocket Size
It owns compact and stylish design and comes with belt clip, easy to take it with you anywhere.

Specification:
Material: ABS
Channel quantity: 2
Power supply: DC 4.5V 3 * AAA battery (Not included)
Waveform: Bidirectional wave
Display mode: LCD display
Mode: 12 modes
Strength levels: 0-40
Output frequency: 1~120Hz
Output pulse width: 100~250uS
Output voltage: 40V±20%
Operating temperature: 5℃~40℃ (41℉~104℉)
Operating humidity: 15%RH to 93%RH
Storage temperature: -25℃~70℃ (-13℉~158℉)
Storage humidity: 15%RH to 93%RH
Item size: 137* 67* 20mm/ 5.39* 2.64* 0.79in
Item weight: 74.4g/ 2.62oz (Only the host)

Packing list:
1 * TENS & EMS Device 
4 * Electrode Pads
2 * Electrode Cables
1 * User manual