Fashionable And Classic Outdoor Lanyard Portable Plug-in Card Mini Bluetooth Small Speaker

Product information: Functions: card insertion, remote control, dust prevention, voice prompt, call function, NFC function Type: Bluetooth speaker Connection mode: Bluetooth connection Interface type: USB Frequency response range: 150HZ-16KHZ Signal to noise ratio: ≥ 90dB Power supply mode: built-in lithium battery Playback duration: 8 hours Shell material: plastic Appearance dimension: 35.6 * 25.1 ㎜ Color: white, blue, black, green Shell process: rubber paint spraying Waterproof grade: non w