[AS-TOGO] How do I know how much battery charge is left on my speaker?

On the back panel near the bottom, there is a battery meter that will indicate not only the remaining charge but also charging status. 

 

Further Technical Support

Whether you are a customer or dealer, if you already own a Gemini product, or if you just have pre-sales questions, the Gemini technical support team is available to help! Visit the link below to connect with any of the following support options: phone support, email support. 

www.geminisound.com/support