AK G1 Sex Machine G1 Pro Automatic Handheld Pleasure Machine 1. Industry-First Internal Thrusting 2. 7 Levels Thrusting,Max 320x/min 3. 5 modes of Double Vibration 4. 38.5℃ Double Heating System 5. Type C USB rechargeable 6. Premium TPE Vibrator 7. Sleek Compact Handheld Design *G1 Pro Version has stronger and quieter motor than G1