Wireless Smart Audio Speaker with WiFi+Bluetooth+ AUX + USB Play/Charge, and Multi Room Audio Speaker with Wi-Fi Control / Stereo Surround Compatible for Apple & Android, Spotify, iHeart Radio,Tuneln,TIDA.

Multi-room Music System via Wifi:
Each Wi-Fi Speaker is part of a whole family of wireless speakers and also systems. If you buy two or more SP-17A2 or similar series speakers. Download  the App  and  take control of  your music  via home  Wi-Fi.  You'll enjoy seamless  access  to  your favorite  tracks   and  online  music  services,  and connect  up  to 10 speakers  and  Wi-Fi works  over  160 feet.  And  you  can customize  sound  settings  and  control  multi-room listening.  Play  different  songs at  the  same  time  in different  rooms,  or in  different rooms simultaneously play the same song to amplify the listening experience, Speaker also has as built in Favorite
function that is able to save up to 6 of your favorite online stations.
Superior Sound Quality:
Wood Cabinet and with its dual 3/4" Tweeter and dual 3" acoustic Mid-Bas drivers and frequency response of 70Hz-20KHz, can stream  loud and  crystal  clear  stereo  sound  with  room filling  powerful sound,   and perfect  for  home,   dorm  room, kitchen,  car,  parties;  And each speaker can stream L/R channels to create surround sound experience.
Built in Battery

The  speaker built-in rechargeable battery, 24 hours a day play and party, up to 8 hours of continuous playback of audio. Battery has over-current, over-charge, over-discharge, over-temperature, short circuit protection.  Note:  The playback time  varies  depending on the volume and audio content. Easily stows away in your suitcase or your backpack so you can enjoy it wherever your travels take you.
Smart USB Charging Port (5V/2A)
The Unit also has a smart USB charging port available to charge your devices like your phone or tablet. Product Works
well with all Apple products. iPhone, iPad, Mac… Android, iOS, OS, Windows, etc.

Luxury LCD Display:
With Time Display, Alarm Clock Display, Temperature Display, Audio Source Input Display, Volume Control Display,
Week Display, Low Battery Display, and Battery Charge Status Display.
Color Variations:
Brighten up your life by choosing among 5 colors optional: black, brown, grey, silver and white
Function & Technical Specs:
• Rated Output Power: 2CHx10Watts (RMS,4Ohm)
• Dual 2.5" Full Range Drivers
•Wireless Technology: 2.4G WIFI  802.11b/g/n,
•Bluetooth 4.0 Version
• WIFI Distance: 10-50 Meters
• BT Distance: ≥10 Meters
•Audio Input: WIFI/BT/AUX/USB PLAYER
• MP3 Format: MP3, WAV, WMA, AAC, ALAC, FLAC, APE
• LAN:RJ45 10/100M LAN
•THD: ≤1%
•Rated Input Level/Impedance: 500mV
•Frequency Response: 20Hz-20KHz
•Signal To Noise: ≥83dB
•Power Input: DC 15V/2A
•Battery: 2200mAh 11.1V