MIFA A20 Metal Portable TWS 30W bluetooth Speaker Zinc Alloy Super Bass Wireless 3D Digital Sound Loudspeaker Support TF AUX

Features:
bluetooth wireless music player.
Support bluetooth back to a key.
Support bluetooth hands-free two-way call. 
Support TWS bluetooth wireless serial stereo playback. 
30W high power output, built-in sound effects algorithm.
Diameter 43mm double magnetic speaker, Diameter 45mm double Super-Bass, 50x90mm ring Super-Bass.
Support Micro-SD card APE, FLAC lossless music format player.
Support Micro-SD card MP3, WMA, WAV music format player.
Support Micro-SD card reader data storage.
Support 3.5mm audio input.
Built-in 4000mAh lithium battery, support for LED power display. 
Pause no play for 10 minutes automatically shut down, except for bluetooth connection.
Support ios ring tones to play the system, the other system is the default ringtone.

Specification:
size: W190xD48xH66mm
Speaker type: Portable bluetooth speaker
Active and passive: Active
Adjustment method: button
Storage type: Support no more than 32G Micro-SD card
power supply: Built-in 18650 3.7V 4000mAh 3C battery
Charging time: DC5V 1000mA and above USB power supply

Technical Parameters
Speaker unit: Diameter 43mm x 2 internal magnetic speaker, Diameter 45mm x2 Super-Bass
Output Power: 50x90mm Super-Bass
Wireless connections: 50Hz ~ 20KHz
USB specification: bluetooth 4.2
file format: USB2.0, compatible with USB1.1
color: Red
Material: Zinc alloy 

Package Contents: 
1X bluetooth speaker
1X audio cable
1X charging line
1X English manual

Note:
1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
2.Only the above package content, other products are not included.