Smartphone controlled butterfly vibrator (iPhone & Android).

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)