Meitianfacai Portable Bluetooth Speaker with HD Sound, Wireless Speaker with Built-in Mic, TF Card and USB Playback

Intelligent Bluetooth Speaker Bluetooth Small Speakerhigh Sound Quality High Volume Car Mounted Household Card Insertion Subwoofer
Features:
360 ° panoramic sound effect with unimaginable high pitched, pleasant mid-range, and Bluetooth 5.0 Speed Stable Pairing Distance is Longer, is More Stable, Intelligent and Connection Intelligent voice calling, voice song ordering, high-definition call intelligent noise cancelling microphone, filtering environmental noise, High capacity battery car with long-lasting new upgrade, low power consumption, large capacity lithium battery, long-lasting of 20 hours, ensuring uninterrupted 6 modes for playing, switching between intelligent conversations, wireless Bluetooth, card/USB playback High volume payment announcement, real- voice without delay, supports payment voice announcement, don't every payment Product Description:
size:13*8.5*6CM
Bluetooth version: 5.0
Bluetooth receiving distance: 10 meters
Pronunciation unit: tweeter+double diaphragm
Battery: 2000mA
Product material: ABS+iron mesh
Product size: 13 * 8.5 * 6CM
Playback mode: Bluetooth/frequency cable/USB drive/memory card/microphone/radio
Packaging:
Subwoofer * 1
Data cable * 1
Connection Bluetooth connection | Card | USB
Frequency response range 100HZ-20KHZ
-to-noise ≥75dB
Number of speakers: 1
Effective distance 10 meters
Box plastic
Power USB
grade
Bluetooth 5.1
Built-in battery capacity 2000mAh-4000mAh (inclusive)
Rated power 5
Rated voltage 3.7
technology ABS+metal mesh
Is there built-in battery? Built-in battery