hot-selling K12 Bluetooth audio and microphone all-in-one

Power supply mode:USB

Frequency response range:20Hz-20KHz

Built-in battery capacity:1000mAh-1200mAh (inclusive)

Product Net Weight:Single wheat net weight 450g Double wheat net weight 500g

Additional Features:Card

Rated voltage:3.7

Connection:Bluetooth connection

Certification Type:CE

Bluetooth version:5.3

brand:neutral

Applicable scenarios:In-car

Dimensions:115*100*142mm

Is there a built-in battery?:Internal battery

Rated Power:5

Specification:Speaker Single microphone

Box material:ABS

Waterproof grade:Not waterproof

Main downstream platforms:eBay

Effective distance:10M

Signal-to-Noise Ratio:≥75dB