USB Rechargeable Touch Control Stepless Dimming 3-Color Changing Desk Table Lamp,Eye Protection Reading Lamp For Student White/0-5W Watches long press to adjust the

long press to adjust the brightness of the light

left and right ear channel separation

calculated to obtain the accurate heart rate data

or else will cause battery wastage or damaged

17 cm Battery CR2016 Packing List 1 x Watch

USB Rechargeable Touch Control Stepless Dimming 3-Color Changing Desk Table Lamp,Eye Protection Reading Lamp For Student White/0-5W Watches long press to adjust theProduct Description Features: Model Number: Warranty: Finish: Other Material: PP Plastic Switch Type: Touch On Off Switch Base Type: Wedge Style: Modern Light Source: LED Bulbs Shade Type: ABS Is Dimmable: No Voltage: Other Power Source: DC Is Bulbs Included: Yes 1: Three modes of light: high brightness (white light) medium brightness (natural light) low brightness (warm light) 2: Intelligent touch switch, control switch switch three light modes when