Dual Speed Selection lets you choose between 2 vibrating speeds for your different needs. The Low Speed vibration gives a gentle massage while the high speed vibration gives the extra oomph.

• 两种速度选择，可配合不同的按摩需求作不同选择。高速震动可快速而有效的舒解酸痛，松弛紧绷肌肉；低速震动则提供柔和舒适的按摩。