Kisonli S21 Mini Portable Speaker – 5W TWS 360° Surround Sound, Built-in Microphone, Supports TF/USB/FM, 500mAh Battery

The Kisonli S21 Mini Portable Speaker delivers powerful sound in a compact, travel-friendly design.
With 5W output power and TWS 360° surround sound, it ensures an immersive audio experience whether indoors or outdoors.
Enjoy multiple playback options with support for TF cards, USB drives, and FM radio, and take hands-free calls using the built-in microphone.
Powered by a 500mAh rechargeable battery, it offers 3–5 hours of continuous playtime — perfect for music lovers on the go.

Key Features:

• ? 5W Output Power – Delivers crisp and clear sound with impressive volume.

• ? TWS 360° Surround Sound – Enjoy rich stereo sound in all directions.

• ? Compact & Lightweight Design – Easy to carry anywhere, ideal for travel.

• ? Multiple Playback Options – Supports TF card, USB, and FM radio for flexible listening.

• ?️ Built-in Microphone – Make hands-free calls and use voice commands conveniently.

• ? 500mAh Battery – Offers 3–5 hours of playback time per charge.

• ⚡ Easy Connectivity – Quick pairing via Bluetooth or plug-and-play with TF/USB.

Specifications:

• Brand: Kisonli

• Model: S21

• Output Power: 5W

• Speaker Size: 52mm 3Ω – 5W

• Signal-to-Noise Ratio: ≥85 dB

• Battery Capacity: 500mAh

• Playtime: 2-3 hours

• Working Voltage: DC 5V/1A

• Connectivity: Bluetooth, TF, USB, FM

• Dimensions: 11.6 × 6 × 10.6 cm

• Weight: Lightweight, portable design