SHIDU M800 UHF Wireless Multi-Functional IPX5 Waterproof Loudspeaker Rechargeable Voice Amplifier (≤18W, Bluetooth 5.0, 4400mAh)

Rated Power: ≤18W | Model: M800 Wireless Version | Bluetooth Version: 5.0 | Battery Capacity: 4400mAh | Charging Time: 3–5 Hours | Signal to Noise Ratio: ≥70dB | Frequency Range: 90Hz–18KHz | Product Size: 96×45×120mm / 116×88×43mm | Weight: 388g | Operating Temperature: −10°C to 45°C | Functional Interface: TF Card / U Disk / Type-C Charging Port / Microphone / Audio Input