1. Portable Bluetooth Speaker,built-in bluetooth 5.0 wireless transmission, working distance up to 10 meters. Compatible with all Bluetooth devices such as smart phones, tablet PCs, ...2. Support TF Card music playback.Support FM radio, FM channel automatically. Can match the personal computer, MP3,MP4, and is equipped with 3.5mm stereo audio output interface of the mobile phone and other audio equipment.3. Cool colorful lights, dual alarm clock mode. Adopt full-frequency 5W internal magnetic speaker, lifelike sound experience, delayed full high sound. have richer and more layered sound effects.4. Powerful surround sound, penetrating bass, bringing shocking listening enjoyment. Built-in dual sensing elements, intelligently identify the light and dark of the environment.Name: Alarm clockConnection : Bluetooth connectionInterface type: USBFrequency response range: 120Hz-20KHzOutput power: 5WSignal to noise ratio: equal 75dBPower supply mode: built-in lithium batteryBattery capacity: 2000mahChannel: 2Play time: 8 hoursExpansion storage: 32GBcolour:WhiteMaterial:ABSPackage Contents:1 x alarm clock1 x charging cableOnly the above package content, other products are not included.Note: Light reflection 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.