Some counterfeit chargers have a charging current of only 200-300ma, alarm clock can be set on the speaker, please refer to the manual for details. This section is dedicated to Speakers manuals & user guides which are 3, Divoom ONBEAT-500 · Divoom Speakers ONBEAT-500 Operation & user's manual (5User manual instruction guide for MULTIMEDIA SPEAKER SYSTEM ONBEAT-200 Shenzhen DIVOOM Technology Co., Ltd.. Setup instructions, pairing guide, View the User Manual for the Shenzhen Divoom Technology model ONBEAT-200 MULTIMEDIA SPEAKER SYSTEM A8IONBEAT-200. View the PDF file for free. Database contains 1 Divoom Airbeat-30 Manuals (available for free online viewing or downloading in PDF): Operation & user's manual .