F1S™ V2 is the next generation of the ultimate pleasure toy, a penis sleeve created for the thrill-seekers who want to explore optimal satisfaction. F1S™ V2 has double the strength, four uniquely designed program variations, and a softer, more flexible sleeve for a wide range of shapes and sizes. The toy has ten highly sensitive sensors allowing for performance feedback through the LELO app, allowing you to build the most pleasurable set of programs for your ultimate orgasm. Material: Body-safe silicone, ABS, Aluminum alloy Color: Matte Black / Red, Gunmetal / Midnight Blue Size: 143 x 71 mm / 5.6 x 2.8 in Insertable length: 110.72 mm / 4.3 in Internal girth at rest: 129.5 mm / 5.07 in Internal girth max.: 150 mm / 5.9 in Weight (only product): 285 g / 0.62 lb Battery: Li-ion 850 mA 3.7 V Charging: 2 h at 5.0 V 700 mA User time: 2 h Standby time: 90 days Frequency suction motor: 60 Hz Frequency vibration motor: 90 Hz Interface: 3-button Box contains: F1S™ V2 USB Charging Cord Warranty Registration Card Detailed Instruction Manual