KM‑202 is a portable wireless speaker designed to play music from multiple sources — including Bluetooth‑connected devices and external media like USB flash drives and microSD (TF) memory cards. It combines modern portability with practical multimedia support, allowing MP3 playback from external storage, FM radio, and wireless streaming from phones or tablets. The speaker often also includes LED lighting for visual effects and a hands‑free calling function

Key Features

Versatile Audio Playback

• Bluetooth Connectivity — wirelessly stream music from smartphones, tablets or other Bluetooth‑enabled devices. 

• MP3 Playback from USB & MicroSD — supports MP3 music files stored on USB flash drives or microSD cards. 

• AUX Input — 3.5 mm AUX jack lets you play music from devices without Bluetooth. 

• FM Radio — built‑in FM tuner (88–108 MHz) for radio listening. 

Portable & Functional Design

• Rechargeable Battery — powered by a built‑in battery for wireless use, typically 4–6 hours of playback per charge. 

• Compact & Stylish — lightweight and easy to carry for outdoor use, travel, picnics or parties. 

• LED Light Effects — many versions include built‑in colored lighting for a fun visual experience. 

Hands‑Free Calling

• Built‑in Microphone — supports hands‑free phone calls when connected by Bluetooth. 

Sound & Performance

• Stereo Output — dual speakers with around 10 W total power (depending on variant). 

• Frequency Response — typically covers a broad audio range (~120 Hz–20 kHz). 

• Noise & Range — wireless range around 10 m. 

Connectivity & Charging

• Bluetooth Version — commonly Bluetooth 2.1 or newer depending on manufacturer version. 

• Charging — micro USB charging (5 V standard USB power). 

• Battery Capacity — around 1200–1500 mAh battery built‑in for several hours of use. 

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