Onyx Up Personal Blender 400 mlUfesa Onyx Up Personal Blender 400 ml 400ml blender, 6 blades, USB charging, safety lock, 20 uses per charge. Container: 400 ml Tritan glass Power Source: 2 batteries, 2550 mAh each Speed: 16,500 rpm Blades: 6 stainless steel blades Safety Features: Safety lock system Automatic stop after 45 seconds Usage: Up to 20 uses per charge Body: Stainless steel Charging: USB charging Extras: Sport lid