What's in the box:

Neck Electric Massager TENS Massage Stickers Portable Mini Shoulder and Back Massage Relieve Fatigue (Black)

There are two options for the electric neck massager, USB charging or battery (the battery is not included), which can relieve fatigue and help you relax

Features:
TENS massage technology, easy to use, get rid of traditional massager. Small and convenient.
You can carry it at any time, you can put him in a bag, travel, office, etc. You can also relax yourself.
Relieve fatigue, neck, shoulders and back are available.
10 gears can be adjusted to choose a comfortable massage intensity.
Two options are available, battery or rechargeable.

Specification:
Product Type: Massage Sticker
Color: Black
Power supply: rechargeable, battery (optional)
Rechargeable battery information: AAA * 2 (not included)
Operating modes: 6 types
Frequency: 1 ~ 100HZ
Output current: Max 9.8ma
Running time: about 12 minutes at a time
Material: ABS+ hydrogel paste
Rechargeable lithium battery capacity: 150mAh
Host size: 5.7 * 5.7 * 1.8cm / 2.2 * 2.2 * 0.7in
Patch size: 13 * 6cm / 5.12 * 2.36in
Package Size: 15.6 * 7.2 * 2.8 * cm / 6.14 * 2.83 * 1.1in
Package Weight:
Battery models: 55g / 1.94oz
Rechargeable models: 70g / 2.5oz

Package List:
1 * Sticker
1 * Host
1 * Instruction