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Compact rectangular amplifier with clip and strap, matte finish

BFKK

BFKK Portable Amplifier Microphone System 2200mAh 20h

SKU CH-XHR9-10BRG

A lightweight 210 g voice amplifier covering 1000 square metres with 20-hour battery life and USB charging

  • Amplifies voice across 1000 square metres for clear projection
  • Weighs only 210 grams with adjustable strap for comfortable wear
  • Built-in 2200 mAh battery delivers 20 hours continuous use
  • Supports U disk and TF playback with microphone input
  • Suitable for teaching, guiding, parties, lectures and training

Portable amplifier with 2200 mAh battery

The BFKK portable amplifier system is designed for teachers, tour guides and fitness instructors who need clear voice projection without strain. Weighing 210 grams, the unit fits in a palm and includes an adjustable strap plus a waist clip for hands-free wear during lessons, outdoor sessions or parties.

Battery life and charging

A built-in 2200 mAh lithium cell delivers up to 20 hours of continuous use and 72 hours on standby. The system recharges via USB data cable in approximately 3 hours, so it can be topped up between sessions without a dedicated power supply.

Sound coverage for large spaces

The manufacturer states the amplified sound can cover 1000 square meters, making the device suitable for classrooms, lecture halls and open-air venues where a single speaker must reach a wide audience.

Highlights

  • Amplifies voice across 1000 square metres for clear projection
  • Weighs only 210 grams with adjustable strap for comfortable wear
  • Built-in 2200 mAh battery delivers 20 hours continuous use
  • Supports U disk and TF playback with microphone input
  • Suitable for teaching, guiding, parties, lectures and training

Specifications

No published specifications for this item yet.

Questions about this item

How do I attach the waist strap and belt clip without the unit sliding off?

Thread the adjustable strap through the integrated loops and snap the rear clip onto your belt; both points must be secured or the 210 g body will shift during movement.

What upkeep does the 2200 mAh lithium cell need to keep the 20 hour runtime?

Recharge at least once every few weeks to avoid deep discharge; the cell is sealed so no user service is possible.

At what point does heat limit continuous operation during a full-day event?

The amplifier is rated for 20 hours of continuous use, so thermal throttling is not expected within that window.

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