Solar-Powered: This multifunctional handheld megaphone is equipped with dual solar panels, providing a large power flow for automatic outdoor charging. This ensures a longer battery life, making it perfect for outdoor activities. Illumination Function: Our solar-powered loudspeaker comes with a built-in illumination feature, making it ideal for nighttime use. No need to fear the dark when you're out and about, as this device will light your way. Upgraded BT Connectivity: With an upgraded 5.3 BT version, this device offers a stable and continuous connection within a 10-meter range. This ensures a seamless and uninterrupted audio experience. High Power and Wide Coverage: With an output power of 8W and two speakers, this device offers high power and strong penetration, ensuring a wider sound coverage. This makes it perfect for public speaking, outdoor events, and more. Versatile Playback Modes: This megaphone supports various playback modes, including BT, TF card, and USB. It also features a one-key recording function, allowing you to record your voice anytime, anywhere. Enjoy your beautiful moments with our multifunctional handheld amplifier. Interface Type:USB Connection Method:BT connection Frequency Response Range:100HZ-20KHZ Output Power:8W Signal to Noise Ratio:greater than equal 75dB Number of Speakers:2 Operation Method:Solar charging Extended Storage:32GB (not included in this product) Playback Duration:3 hours Supported Formats:USB drive+TF card (not included in this product) Playback Format:MP3 Battery Capacity:1200mAh Product Size:21.4x13.5x21.7cm/8.5x5.3x8.5inch Colour:A:Black Material:Plastic Package Contents: 1 * Handheld Megaphone Speaker 1 * USB Charger Cable