Zealot New S55 Portable Wireless Bluetooth Speaker.

ZEALOT S55  10W Stereo Subwoofer Support FM TF Card U Disk Portable Bass Bluetooth Speaker - Black
Exquisite structure design to show the three-dimensional surging sound Support computer direct connection, 3.5mm wired connection port direct connection With a non-slip portable belt, convenient for carrying Innovative shape +button, supplemented by rubber blind touch button, ergonomic design, comfortable and convenient 1800mAh large capacity battery, standby for one month Double magnetic large horn alloy diaphragm, creating 3D hifi stereo The fuselage is composed of waterproof nylon cloth + skin-friendly rubber.Exquisite structure design to show the three-dimensional surging sound Support computer direct connection, 3.5mm wired connection port direct connection With a non-slip portable belt, convenient for carrying Innovative shape +button, supplemented by rubber blind touch button, ergonomic design, comfortable and convenient 1800mAh large capacity battery, standby for one month Double magnetic large horn alloy diaphragm, creating 3D hifi stereo The fuselage is composed of waterproof nylon cloth + skin-friendly rubber
Specification:
Battery capacity: 1800mAh lithium battery
    Bluetooth version: 5.0
    Horn: 4  5W  2
    Transmission distance: about 10m
    Frequency response: 100Hz-20KHz
    Signal to noise ratio:  90dB
    Working voltage: 3.7V
    Distortion:  1%
    Charging voltage: DC 5V
    Micro: USB charging port
    Talk time: about 3 hours
    Music Playing: about 3.5 hours
    Standby time: 30 days charging time: About 2.5h different charger specifications have different time
Compatible with:
Apple, Xiaomi, Huawei and other phones and devices which support Bluetooth 5.0 version