Features:
– For iPhone (4S or newer) & Android OS4.3/Bluetooth 4.0
– Comfortable strap-on or just use with briefs
– Dual Modes: Traditional and smartphone control
– Make custom vibration waveform by hand-drawn on the screen
– Multiple control modes, including swiping, trapping, motion and voice control, and distance play, etc
– Vibrate mode: 10 modes (preset) + more (custom)
– One piece eco-friendly silicone surface
– Double motor vibration
– USB-rechargeable Lithium battery

Specification:
– Butterfly size:
8,7 cm (total length),
8,2 cm (effective length),
2,7 cm (maximum diameter)
– Bullet weight: 55g
– Material: silicone ABS
– Battery: lithium battery 3.7V 300MA
– Charging time: 2 hours
– Maximum continuous use: 4 hours
– Waterproof: 100% water proof
– Vibrate mode: 10 modes (preset) + more (custom)

Features:
– For iPhone (4S or newer) & Android OS4.3/Bluetooth 4.0
– Comfortable strap-on or just use with briefs
– Dual Modes: Traditional and smartphone control
– Make custom vibration waveform by hand-drawn on the screen
– Multiple control modes, including swiping, trapping, motion and voice control, and distance play, etc
– Vibrate mode: 10 modes (preset) + more (custom)
– One piece eco-friendly silicone surface
– Double motor vibration
– USB-rechargeable Lithium battery

Specification:
– Butterfly size:
8,7 cm (total length),
8,2 cm (effective length),
2,7 cm (maximum diameter)
– Bullet weight: 55g
– Material: silicone ABS
– Battery: lithium battery 3.7V 300MA
– Charging time: 2 hours
– Maximum continuous use: 4 hours
– Waterproof: 100% water proof
– Vibrate mode: 10 modes (preset) + more (custom)