Based on this product's specifications, here are some alternatives and similar models
JBL Wind 3S Mono Portable Speaker, 5W, Bluetooth, IP67, White
Summary description:
The JBL Wind 3S is a compact mono portable speaker featuring 5W RMS power and a frequency range of 110-20000 Hz. Designed for versatility, it supports Bluetooth profiles A2DP and AVRCP for wireless connectivity. With an IP67 rating, it is dust and water-resistant, making it ideal for outdoor use. The built-in 1050 mAh battery provides up to 5 hours of playback, ensuring reliable performance for various listening environments.