BlackRoll Booster Set Vibration Engine + Standart roll

Boost your blackroll!

This engine fit for all Blackroll rolls

Exellent for muscle care, recovery boosting, mobility training, warm ups and relaxing

Charging: USB
Battery Life: about 90min with Max Power
Battery size: 2250mAh
Vibration frequency : 12-56Hz

Packet includes motor, and standard Black roll