• High volume, good sound quality, good sound reduction

• Loudspeaker howling is well controlled

• Support stereo reverb, good reverb effect

1.TR619 Portable Voice Amplifier:Retekess TR619 wireless voice amplifier portable speaker and microphone is a really great aid for teachers or doing presentations or running meetings,smallish groups where the leader must beheard,particularly if one is having trouble with one's own vocal volume.lt is also a small and compact personal amplifier speaker.

2.FM Band Receiving ：The FM（50-108MHz）radio is easy to operate and supports the manually scanning and storing. The telescope antenna helps to receive signals stably and clearly.

3.Supports MP3 Audio Playing:Can be used as an MP3 player, supporting TF (Micro SD) card playing & USB flash drive playing. Repeat single tune, loop all music and switch songs.

4.Used as a Loud speaker Box:With the 3.5mm AUX audio input and AUX cable, it can also works as a wired speaker to amplify the connected phones or computers sounds.

5.One-click Recording:You can record whatever you like at any time and any place. Record something important as a memorandum, or record your feelings as an audio diary.

6.Reverberation:When the right amount of reverberation is present, the sound quality gets enhanced drastically. Reverberation can make a sound seem warm and welcoming or completely overwhelm the people in a space with an excess of noise. 

7.Portable Charger:Used as a portable charger when your phone runs out of battery,it does better to that kind of situations.

8.Easy to Carry:Size: 87*129*46mm；Weight: 222.6g. The amplifier is compact, light-weight and easy to carry. Moreover, the back clip and waist band help you to wear more comfortably.

9.Rechargeable:The rechargeable amplifier can be charged directly through the USB charging port. Fully charged in around 4-6 hours, and the full battery lasts 3-4 hours.