Мини-маленький аудио бас беспроводной Bluetooth громкоговоритель водонепроницаемый портативный

Parameter:

Type: Bluetooth Speaker Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Power supply mode: built-in lithium battery Battery capacity : 400MAH Extended storage: 32GB Signal to noise ratio: ≥75dB Effective distance: 10 meters Speaker adjustment method: button Play time: 4 hours Appearance size: 123*46*81mm Play format : MP3 Support format: U disk Interface Type : USB Output power: 5w Channel : 2 Bluetooth protocol: 4.2 Product weight: 0.28(KG) Power mode : USB Function: anti-drop, waterproof, voice prompt, card, radio, dustproof, call function