Product Name: Ruyi Charging: USB cable charging Usage duration: 90 days Screen: High definition night light screen Charging: duration of 2 hours Channel: 9 channels Color: Red, yellow, green, pink, gray Specifications: 【 Nightlight Large Screen 】 Large screen and font with one click to light up backlight 【 USB cable charging 】 Charging for 2 hours and using for 3 months 【Silent Key】 Silicone Key 5 million+uses 【 Equipped with lock button 】 Large screen and font with one click to light up backlight 【Adjustable Ring Band】Free adjustment of size, skin friendly silicone does not touch hands 【 Comes with 9 channels 】 Each channel is independent, with 1 channel up to 9 channels Package Included: 1 * Counter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store