The Debra Audio DT-01/02 is a portable UHF wireless microphone system with a built-in rechargeable lithium battery, making it highly convenient for on-the-go use. Utilizing UHF signal transmission ensures a more stable signal and ultra-low latency, resulting in clearer and more natural sound. The receiver features a 3.5mm microphone input jack, allowing connection to external headset or lavalier microphones, with a signal range of up to 30 meters. The DT-01/02 wireless microphone system is ideal for portable use, suitable for conference presentations, party recordings, or classroom instruction. It's a simple and easy-to-use wireless system, a convenient and reliable solution for wireless amplification.