A2 version:
Control:Button Control
Gears:3 Gears

A3 version:RECOMMEND

Control:LCD Touch Screen
Gears:20 Gears(Strength adjustment is smoother than A2)
Features:
1. Including 4/6 different massage head, meeting various demand.
2. Effectively reduce muscle stiffness and sore pain, increasing blood circulation.
3. 3/20-speed adjustment, you can choose that you fit.
4. 10 minutes intelligent timing guarantees long life of the machine.
5. 2500mah large capacity lithium battery.
6. With over-protection, overheat protection and other safety protection devices, safe to use.
7. Suitable for recovery after sports fatigue, rehabilitation after sports injury, pain
relief during the convalescence period of surgery, as well as reducing inflammatory
reaction.

Specifications:
Power Charger
--Rated input:100~240V 50/60Hz 1A

Battery
--Rated Voltage: 24V DC
--Type: Li-ion
--Capacity: 2500mAh
--Working Hour: 4-6 Hours

Massager
--No-load Speed: 3200r/min
--Weight: 1kg
--Dimension: 25x23cm
--Min Level - 1800/min,MAX Level 3 - 3200r/min

Package Included:
1 x Massage Gun
4/6 x Massage Heads
1 x Power Charger
1 x EVA Box
1 x Instruction Book