Popular bs-220 bluetooth speaker outdoor portable card plug heavy subwoofer double speaker gift label bluetooth speaker

About Product:Brand: neutral time to market: 2018 origin: shenzhen source category: spot type: bluetooth speaker connections: bluetooth connection interface type: USB battery capacity Frequency response range: 100 hz-20 KHZ power output: 5 w signal-to-noise ratio: 75 db or higher power supply mode: built-in lithium battery track: 2.1 extension storage: 32 gb bluetooth protocol: 4.2 the horn number: 2: effective distance of 10 meters for meters function: voice prompt, card, radio mode of operation: key applicable people: a general display: no broadcast format MP3 shell material: plastic support APP: no supported formats