48W Wired/2.4G Wireless Microphone Bluetooth Speaker Teacher's Classroom Amplifier Speaker Tour Guide's Amplifier TF Card USB

Model: E388 --Power supply mode: built in lithium battery --Color: equipped with wireless microphone and wired microphone --Frequency response range: 60hz-15khz --Bluetooth protocol: 4.1 --Playback format: MP3 --Whether there is radio function: Yes --Output power: 48W --Product weight: 0.5 --Connection method: Bluetooth connection --Interface type: USB --Function: card insertion --Playback time: 8 hours --Effective distance: 10M --Supported format: TF Card --Signal to noise ratio: ≥ 70dB --Extended storage: 32GB --Type: card speaker

Power Output: 48W Support MP4: Yes Support MP3: Yes Voice Record: Yes Dimensions (WxHxD)): 18x4x9cm Weight: 0.75 Material: TPU+Plastic Model Number: E366 Battery Life (Hour): 8 Hours Item Type: Wireless Megaphone With Microphone Origin: Mainland China