Wireless bluetooth speaker

Product Specifications: Type: Bluetooth Speaker Connection: Bluetooth Interface: USB Battery Capacity: 300 mAh Frequency Response Range: 100Hz - 20kHz Output Power: 3W Signal-to-Noise Ratio: ≥75dB Power Supply: Built-in Lithium Battery Channel: Mono Playtime: Up to 2 Hours Expandable Storage: Supports up to 32GB Bluetooth Protocol: Version 5.0 Number of Speakers: 1 Effective Bluetooth Range: Up to 15 meters Functions: Audio Input, Voice Prompts, MicroSD Card Playback, FM Radio, Hands-Free Calling Control Method: Easy-to-Use Buttons Display: None Supported Play Formats: MP3, WMA Shell Material: Durable Plastic Supported Storage Format: TF Card Speaker Adjustment: User-Friendly Button Controls Radio Functionality: Yes Enclosure Material: Sturdy Plastic Package Contents: Speaker, User Manual, Charging Cable, Audio Cable Power Source: USB Available Colors: White, Pink, Blue, Yellow, Black