Twister Arm Trainer Style:Black & Blue - Strength approx 60-100lbs Under Bluetooth mode

Under Bluetooth mode

Whether you're lighting the scene of an accident

Charging method: USB charging

With the included remote control

S20/S 8 /9 /10

Twister Arm Trainer Style:Black & Blue - Strength approx 60-100lbs Under Bluetooth modeFEATURS Unique full upper body fitness equipment: Torque stick as your personal workout trainer and helping you get a killer chest workout, Through the training guide chart. Strength bar work multiple muscle groups with precision, including chest, arms, biceps, abs, shoulders and back, and thigh muscles. Mulit functional strength training machine: This muscle training bars is different from a traditional arm workout bar in that it stimulates more