Portable Solar Wireless Bluetooth Speaker with FM Radio Multi-Function Flashlight Outdoor Audio Features: High conversion solar battery. Clean and environmentally friendly, range multiplier. Is a must-have outdoor tools, as long as there is the sun can always be charged, idle can be automatically charged. 5W speaker, large volume. High-fidelity audio processing chip, listen to the original sound quality, The wireless connection distance is up to 10 meters, the transmission speed is twice as fast, the game music has no delay, the wall signal is not interrupted, and the connection is still stable Main functions: solar charging, Bluetooth playing, TF card playing, USB flash disk playing, flashlight lighting, FM broadcasting Applicable scenarios: car, desktop, fitness, outdoor, home, mobile, portable, karaoke, live broadcast, square dance, broadcasting system, outdoor Product parameters: Type: Portable Speaker Size: 22x6.5x9.5cm/8.7x2.6x3.7in Connection method: Bluetooth connection Interface type: USB Frequency response range: 100Hz-20KHz Output power: 5W Signal to noise ratio: 75db Power supply mode: built-in lithium battery Channel: 2.1 Battery capacity: 1200mAh Playback duration: 3-8 hours Bluetooth protocol: 5.1 Effective distance: 10M Operation mode: press key Playback format: MP3 Shell material: ABS Supported formats: USB flash disk, TF Card, BT, FM Speaker adjustment mode: key Packaging List: 1 x bluetooth speaker 1 x charging cable 1 x Hanging rope