BS129 portable usb flash drive bluetooth audio radio computer audio foreign trade hot style audio

About Product:Suggested retail price: $50.00 brand: Profit/ordinary time to market: 2018.11.15 origin: shenzhen source categories: physical types: bluetooth speaker connections Bluetooth connection interface type: USB battery capacity: 1200 frequency response range: 100 hz-20 KHZ power output: 5 v signal to noise ratio: 75 db or higher power supply mode: Built -in lithium battery track: 2.1 the broadcast time: 2 hours and extend storage: do not support bluetooth protocol: 4.0 the horn count: 1: effective distance of 10 meters of meters function: Voice prompt, card, radio, phone, bluetooth USB operating mode: