Bluetooth 5.0 for wireless convenience alongside multiple wired input

Portable Audio Amplifier Rechargeable Voice Amplifier with wired Neckband Microphone Headset and Waistband Supports Bluetooth Connectivity AUX, USB & Micro-SD Card InputFeatures:High Capacity Lithium Battery: Provides powerful, clear, and resonant sound for extended periods of use.Versatile Playback Options:Play MP3 files via USB flash disk.Play MP3 files via TF card (Micro SD card).Enjoy FM radio.Echo effect for enhanced audio experience.Track Selection: With this Audio Amplifier users can directly choose specific tracks by selecting the corresponding sound numbers.Built-in 2200mAh Li-ion Battery: Ensures long-lasting performance, perfect for outdoor activities.Compact Size: Dimensions of 1254585 mm make it highly portable and convenient to carry.Specifications:Model: HY-898Power Source: High Capacity Lithium Battery (2200mAh)Playback Options: MP3 via USB, MP3 via TF card, FM Radio, Echo EffectBattery Life: Extended use for outdoor activitiesPackage Contents:1 x KU-898 Portable Mini Speaker1 x Headset Microphone1 x Waist Belt1 x Remote Control1 x User Manual1 x US Jack Plug Power Adapter1 x Retail Package Box SKU: HY-898 voice amplifier Categories: Amplifier, HAYDEN Tags: amplifier, HY-898, rechargeable amplifier, teaching, voice amplifier