Rechargeable lithium-ion batteries (7.2V/2250mAh). Charger included (110V-240V, 50/60Hz).
Plug and play feature. (Unit will operate directly from direct power source, will not charge during use.)
Automatic shut-off feature. (After 20 minutes of continuous use, unit will shut-off automatically. Preserves electronics, charge and battery life.)
Charge time: 3 hour for full charge.
Run time: Approx. 3 hours on full charge.
Specific On/Off switch.
4 power intensities.
4 vibration patterns.
Unit is not waterproof nor splashproof.