1. Upgrade: 6 roller balls rotate 360°, providing larger massage area & relieving pain fast.

2.Safe & controllable: Quiet & no radiation. You control speed, intensity & angle.

3.Multiple needs: Release tight, stiff & sore muscles, improve circ & reduce fatigue.

4.Portable: Weighs only 300g; use anywhere.

5.Guarantee: 90-day money-back & 1-yr quality guarantee..