Josfit Pro

Brand New and High Quality Type:Ultrasonic Body Shape Wristband Material: ABS+PC Color: Blue, White, Pink, Black Size: As the picture shows(Adjustable) Soundwaves Frequency: 3~60Hz Rated Power: USB Charging Charging time: about 5 hours Fully charged for use: a week Package Include: 1 xUltrasonic Body Shape Wristband Tips: 1. Due to the light and monitors effect, colors may have lightly difference. 2. Please allow slightly size errors due to manual measurement. Thank for your understanding!