Specification:
Type: Wireless BT Subwoofer 4 speakers
Material ABS
Color: Black
Bluetooth Version:V4.0
FM Frequency:2.4GHz
Frequency response: 20Hz-20KHz
Transmission frequency range: 2.402G-2.480G
Signal to noise ratio: ±80db
Transmission distance: 8-10m
Use time: about 3.5 hours
Standby Time:240 hours
Charging Time:2-3hours
Charging type: microUSB 5V/1.5A
Battery Capacity:2000mAh
Battery type: 18650 polymer battery
Compatible Model:Universal
Audio Inputs Bluetooth, Coaxial, 3.5mm Aux, TF Card (not included)
Size: 550*50*50mm/approx.21.65*1.96*1.96 inch

Features:
1.Bluetooth V4.0 version, bring barrier-free transmission experience, 10 meters connection. Fully compatible with desktops, notebooks, mobile phones, tablets, set-top boxes, game consoles, TVs;
2.Use 4 full-range speakers;
3.Support TF card audio input, music file playback(TF Card are not included ),and FM radio function;
4.Can control volume addition and subtraction/Can control the song up and down/Can control song pause and play.

Package including:
1x Speaker
1x Remote Control
1x USB Charging Cable
1x RCA Audio Cable
1x User Manual