Product size: 200 x 43mm
Product weight: 200G
Waterproof: IPX7
Battery type: Polymer lithium battery
Material: Medical Grade Silicone + ABS Band
Charge time: 120 minutes
Use time: 50 minutes
Noise: less than 50db benchmark
Frequency: 8 modes + 5 levels
Interface: 3-button interface
Charging: Magnetic USB
Low-battery warning