Unique LED teeth whitening for home or traveling,Blue/Red/Pink lights optional; Model Numner: WY-04; Gel shelf life: 2 years; Sleek travel and charging case; 30 mins smart timer; 16pcs blue LED Light; 16pcs red LED light; 300mAh rechargeable lithium battery; Battery life: 3 hours; Waterproof level: IPX7; Usage time: once a day;
