EchoMetal Outdoor Bluetooth Speaker

Product information:
Speaker unit: 52mm
Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Output power: 3W
Signal to noise ratio: ≥85dB
Power supply mode: built-in lithium battery
Expansion storage: 32GB
Bluetooth protocol: 5.0
Number of speakers: single speaker
Box material: metal
Power supply mode: USB
Built-in battery capacity: 300 mA-500 mA
Battery capacity: 400

Size Information:
Size: Appearance size 82*82*43mm

Packing list:
Host + data line*1