EVA Electrical Muscle Relaxer Yoga Massage Vibration Foam Roller, Fishbone Vibration USB (Mermaish Pink)

1. Material: EVA, electronic components
2. Application: sports fitness, soothing massage
3. Built-in battery: 2000 mAh lithium battery x 2 (parallel)
4. Charging time: 2 hours
5. Gear position: 5 gears
6. Dimensions: 29 x 11 x 11 cm
7. 5 levels of frequency can be adjusted to experience different levels of massage experience
8. Environmentally friendly EVA material, healthy and safe, flexible massage layer
9. Using high-strength precision vibration core, 4000 rpm speed, effectively soothing muscles