WIRELESS Speaker KTS-1576

Output Power: 10W
Speaker Size: 3-inch
Battery: 1500mAh Rechargeable Li-battery
Playtime: 1-2 hours at 75% volume
Bluetooth: Version 5.0
Connectivity: Bluetooth, USB, TF card, FM Radio, AUX input
Features: Built-in Microphone, TWS (True Wireless Stereo), Flame Light effect
Frequency Response: 100Hz-20KHz
Maximum Memory Support: 32GB (USB/TF Card)
Wireless Range: Up to 10 meters
Included Accessories USB Charging Cable. 
Functions
Wireless Streaming: Play music wirelessly via Bluetooth 
Media Playback: Play music from USB drives, TF cards, and FM radio 
Hands-Free Calls: Use the built-in microphone for hands-free calls 
TWS: Pair two KTS-1576 speakers for a true stereo sound experience