The large LCD digits are bright and clear to see from across the room, and during the night the digits can be dimmed to your own personal comcompatible witht level so it does not disturb sleepingThe Alarm Clock Bluetooth Speaker Be Switched Time in 12H or 24H: The radio alarm clock Bluetooth speaker time can be set to show in 12-hour or 24-hour. Just press and hold the - compatible with 2s, then you just change it successfully.Bluetooth Speaker Support TF Card: Compatible with all Bluetooth devices, also support TF card. The alarm clock Bluetooth speaker is suitable compatible with bedrooms, yoga, camping, etc. Take you a wonderful music trip.Small Reminder: When all the remaining power is exhausted, all the settings of the speaker are lost, need to be reset when use again. Please charge it in time Under speaker working mode, the temperature function is automatically turned off (otherwise the circuit calorific value will rise, resulting in temperature detection error).Name: Alarm ClockBluetooth version: 5.0Power input: 5V-2AOutput power: 3WSignal to noise ratio: greater than 85dBDistortion: less than 2%Frequency response: 150Hz-20KHzSpeaker: 4ohm3WType: Digital Alarm Clockcolour:BlackMaterial:ABSsize:137.5 x 42 x 62MMPackage Contents:1 x Host1 x Data CableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.