Amazon.com: PHILIPS Mini Bluetooth Speaker, Outdoor Wireless Portable Small Speakers for Traveling Pool Beach Shower, Mono Sound IPX7 Waterproof Speaker, 8 Hours Play Time, USB Type C Rechargeable : Electronics
User manual Philips BT25A (English - 14 pages)
PHILIPS Upbeat BT25b/00 Bluetooth Speaker RF5539 | eBay
Amazon.com: PHILIPS Mini Bluetooth Speaker, Outdoor Wireless Portable Small Speakers for Traveling Pool Beach Shower, Mono Sound IPX7 Waterproof Speaker, 8 Hours Play Time, USB Type C Rechargeable : Electronics
PHILIPS Upbeat BT25b/00 Bluetooth Speaker RF5539 | eBay