This Is a Yesido Ysw11 Wireless Bluetooth Speaker.

Audio Quality: Delivers up to 40W of total output power through dual speakers, supported by dual bass cones for enhanced sound.Connectivity & Battery: Features Bluetooth 5.0 for wireless connection up to 10 meters, along with AUX, USB, and TF card playback modes. The battery capacity is listed variously as 2600mAh or 5200mAh depending on the seller, offering 4 to 10 hours of playtime.Durability: The speaker has an IPX6 waterproof rating, making it suitable for both indoor and outdoor use.