Hi G Smitty, Amazing! You definitely made the right choice! We're sorry you've been running into difficulty try to register your product on our website. Sony's commitment to customer satisfaction is our top priority. Please reach out to Product Support directly at 239-245-6366 to provide additional information to register your product. Despite your concerns, we're glad that your investment is worth it and you are enjoying everything about this great speaker. Enjoy big sound with the super-compact SRS-XB100 wireless speaker, offering powerful, clear sound, an updated IP67 waterproof and dustproof design and up to 16 hours of battery life. Small enough to fit in a bag or cupholder, the XB100 also features a versatile strap to take with you wherever you go. Thank you for choosing Sony! -Jess

Hello Wipfler, Good decision! Thank you for sharing your feedback with our Sony SRSXB100. We are truly delighted to hear that you are pleased with the audio performance, design and battery life of your new Sony SRSXB100. We value your inputs and suggestions to help us improve more. Noted on that request. About the volume decreases as the battery becomes low. It is actually not a malfunction or as we say it is normal when using the built-in battery. You may find this link helpful. Sound becomes low while in use: https://helpguide.sony.net/speaker/7856/v1/en/contents/TP1000946305.html Hope this helps. Enjoy big sound with the super-compact SRS-XB100 wireless speaker, offering powerful, clear sound, an updated IP67 waterproof and dustproof design and up to 16 hours of battery life. Small enough to fit in a bag or cupholder, the XB100 also features a versatile strap to take with you wherever you go. Thank you for choosing Sony and for your recommendation. Regards, Marco

Hi MrDonBerry, Amazing! We're thrilled that you are enjoying the sound quality, Stereo Pair function, and dedicated app (Sony Music Center) of the speaker. Enjoy big sound with the super-compact SRS-XB100 wireless speaker, offering powerful, clear sound, an updated IP67 waterproof and dustproof design and up to 16 hours of battery life. Small enough to fit in a bag or cupholder, the XB100 also features a versatile strap to take with you wherever you go. Thank you for choosing Sony! -Ralph

HI Pavel350, We're thrilled to hear you're enjoying the stylish design, great sound, and price of your SRS-XB100! Your loyalty is truly appreciated. Thanks for choosing Sony. Best regards, Eliab