Portable lithium battery charging design, convenient to carry when traveling on business.
Open water tank, easy to disassemble and clean.
Exclusive anti-leakage drainage patent design.
The 1400mAh battery design is guaranteed to be used for one week (twice a day).
Three working modes are optional: normal, soft, and massage.
IPX7 for waterproof grade, can be used when shower.
Humanized design, normal water pressure by default.