Stable Frequency Intelligent Helmet Head Massager for Promote Deeper Sleep

Stable Frequency Intelligent Helmet Head Massager for Promote Deeper Sleep. Air pump: using very low-Noise pump less than 48d/silent pump. Battery capacity:long working time,and long life time,over-current and over-heat protection. mainboard and spare parts using well-kown brand,to make the goods quality stable. Voice control ,silent pump less than 10db also can do as customer requires. Bluetooth music , can be adjustable. Multi-Frequency Vibration Constant-Temperature Heat Therapy Intelligent air pressure. OEM and ODM Customization: Offers full, minor, and flexible customization from samples or designs.