Oker SP-8019 Chamber Music Wireless Bluetooth Speaker Key SpecificationsConnectivity Options: Bluetooth, USB, Micro SD (TF) card, AUX input,Features: FM radio, LED pulsating lights, supports wireless playback,Battery: High-capacity lithium battery for extended usage,Additional Functionality: Can be used as a power bank,Microphone: High-quality microphone included,Sound: High-powered sound reinforcement for clear and dynamic audio,Package Size: 13.528.79 cm,Compact and portable design, ideal for both indoor and outdoor use.