ITEM NAME:Head Sleeper Therapeutic Insomnia Artifact Help Students Sleep Hypnotic App F9J1 Head Sleeper Therapeutic Insomnia Artifact Help Students Sleep Hypnotic App F9J1 Item Type:Massage&Relaxation Model Number:LINLIN-X244 Application:Face Size:145*50*38mm Net weight of the whole machine:52G Specification of built-in battery:200mAh/3.7V Charging Output Interface:Standard V8 Interface Charging input;Voltage and current:50+02V180mA+30mA Full-charge time:1-2 hours Full power use time:about 20 times(15 minutes/time) Charging mode:USB Colour:Black Material:ABS+elastic band Package Contents: 1* sleep instrument 1* USB cable
