📄 Product Description – The Yesido Wireless Speaker is a compact, portable option that delivers strong sound with Bluetooth 5.3 and vibrant RGB light effects. Model YSW40 provides 8W output with a 52mm driver (3Ω), and supports multiple playback modes including TF, USB, AUX, and FM radio, plus TWS pairing to link two speakers for stereo sound and calling support. Its 3.7V/1200mAh battery (protected 18650 cell) offers about 4 hours of playback at 80% volume, with around 2.5 hours charging time via 5V/1A input.

⭐ Key Features:
– 🔹 Model: YSW40
– 🔹 Audio Output: 8W with 52mm driver, 3Ω
– 🔹 Wireless Connectivity: Bluetooth 5.3 for a more stable, efficient connection
– 🔹 Versatile Playback: Bluetooth , TF , USB , AUX , FM
– 🔹 TWS Pairing: connect 2 speakers for stereo sound
– 🔹 Battery & Charging: 3.7V/1200mAh (protected 18650) + ~4 hours at 80% volume + ~2.5 hours charging + 5V/1A input + Calling + RGB lighting

🎯 Closing Paragraph:
If you want a small speaker with big sound for home, office, or outdoor use, the YSW40 is a solid pick—and with TWS you can pair two units for a wider stereo experience.

⚠️ Important Note: Playback time (~4 hours) is measured at 80% volume and may vary with volume level, content type, and RGB usage.
⚠️ Notice: For best charging performance, use a stable 5V/1A power source and a good-quality cable.