# Presentation Bell KYU w/ timer

> The bell for your presentation including the functions, timer and alarm.

Canonical page: [https://chrome-stats.com/d/jp.gr.java\_conf.kyu49.presentation\_bell](https://chrome-stats.com/d/jp.gr.java_conf.kyu49.presentation_bell)

## Overview

- **ID:** `jp.gr.java_conf.kyu49.presentation_bell`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** KYU
- **Category:** TOOLS
- **Downloads:** 39,197
- **Version:** 3.00.00
- **Last updated:** 2026-08-29
- **First published:** 2015-01-06
- **Publisher country:** JP
- **Size:** 37 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.gr.java_conf.kyu49.presentation_bell)
- **Website:** [https://android.ejapon.icu/](https://android.ejapon.icu/)
- **Privacy policy:** [http://monja49.blog40.fc2.com/blog-entry-482.html](http://monja49.blog40.fc2.com/blog-entry-482.html)

## Description

**Presentation Bell KYU with Timer** is a handy Chrome extension designed to help presenters stay on schedule effortlessly. It allows you to set predetermined times at which a bell will ring, ensuring that your presentation timing is perfectly managed without manual monitoring. The extension also supports tapping the bell to ring it instantly.

Key features include multiple bell and vibration options, efficient background operation even with the screen off, and minimal CPU usage, making it an ideal tool for both engaging and less dynamic presentations. With this tool, presenters can focus fully on delivery while confidently keeping time.

## Rankings

- #332,310 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.google.android.gms.permission.AD_ID`
- `jp.gr.java_conf.kyu49.presentation_bell.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.gr.java_conf.kyu49.presentation_bell)