1. Fun switch, sleep aid at night 2. Pinch a mouth to switch the light; quickly pinch twice to switch the color temperature; pinch and hold, stepless dimming 3. Automatically turn off the lights in 15 minutes 4. Rechargeable version: pinch mouth switch, stepless dimming, delay turn off the light, long-lasting battery life, warm white dual color 5. Battery version: press the switch, 3 levels of brightness, replace the battery, USB power supply, warm light monochrome 6. Color temperature: 4000K (battery version), 4000K / 5000K (chargeable version) 7. Current: about 1A 8. Power: about 0.7W 9. Voltage: about 5V 10. Switch mode: touch 11. Battery capacity: 500mAh 12. Charging time: about 2 hours 13. Average service life: 1000h 14. Power supply: - Rechargeable version: USB power / built-in lithium battery - Battery version: USB power / 3 x AAA batteries (not included) 15. Material: ABS / PC / Silicone 16. Dimensions: 142x105x112mm 17. Weight: about 120g