Product name: Bluetooth alarm clock speaker Battery: 2500mAh Life time: about 18 hours Standby time: about 680 hours Specifications: Built-in dual alarm clock function, you can set 2 alarm clocks at the same time to give you more intimate care Stereo structure with omnidirectional sound effects, covering every corner, making it immersive Built-in 2500mAh rechargeable lithium battery, charging for 2-3 hours can listen to about 18 hours Upgraded Bluetooth 5.0 chip, high-speed transmission, low power consumption, stable and continuous connection, no lag Support TF card playback and Bluetooth playback with multiple playback modes Independent multi-function buttons, more convenient operation Built-in noise reduction microphone, intelligent noise reduction, one-button high-definition hands-free answering, the call is not stuck, clear and no noise Package Included: Product *1 Charging cable*1 Manual *1