Finally a best friend for your play buddy that's the latest ergonomically friendly automatic masturbators for men. Tron Auto Open End Male Masturbator packs10 vibration modes on the shaft with a pump for girth pressure adjustment and an open ended design allowing for maximum stimulation without the messy clean up. Press manually for girth restriction. 3D realistic texture. IPX7 Waterproof. Material TPE+ABS. USB magnetic rechargeable and 500mAh Li-ion Battery