Specification:
Fuction :Tretch ,Sucking,Intelligent Heating,Intelligent Voice, Pressing mode : 7 Telescopic Thrusting Sucking Function with AV Voice Headphones Material : TPE+ABS+Silicone Waterproof performance: IP5 Vibrator Type: USB charge Noise Index: <70 dB Switching machine mode: long press the key to turn on/off, start up Function button operation mode: tap frequency conversion Charging method: USB charging (5v)