ADESSO Alarm Clock Digital Wireless Charging Clock with Bed Light White QA-04

Functions: Double alarm, snooze function, wireless charging, 4-level LCD brightness adjustment (strong, medium, low, off), bed light (luminous flux 180LM, light power 0.66W), 4-level bed light brightness adjustment (strong, medium, low, off), 12/24 hour display Power supply: AC adapter, CR2032 coin-type lithium battery x 1 (for backup) Cannot be used with batteries alone Note: Limited to smartphones that support 5W Qi standard charging. If a smartphone case is attached, charging may not be possible due to the material or thickness (3 mm or more). Although this product complies with the Qi standard, compatibility with all Qi standard devices is not guaranteed. Please be sure to check before purchasing This product requires batteries.