---
title: Tech specs
slug: bar/tech-specs
description: Take a closer look at the tech specs of the BUSY Bar and explore its hardware capabilities.
image: https://archbee-image-uploads.s3.amazonaws.com/3StCFqarJkJQZV-7N79yY/B03BHEe2Vhno5QzsMHgE2_preview-busy-bar-tech-specs.png
docTags: 
createdAt: 2025-05-27T09:19:44.496Z
---

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/xAr5Pb9hf0ZYN6iBPuyG__busy-bar-tech-specs-updated.png)

Take a closer look at the tech specs of your BUSY Bar and explore its hardware capabilities.

***

# Design and materials

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/YEDeyKRz5sFD3l2i8swrl_design-and-materials.png)

- **Color:** White body with orange accents, black front and back panels
- **Body material:** PC/ABS
- **Main screen material:** PC
- **Back panel material:** PC
- **Light guide material:** PC
- **Padding material on the monitor mount:** TPE

***

# Size and weight

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/T3QagZJaAl8ieWGjXw14v_busy-bar-sizes.png)

- **Height:** 55.2 mm (2.17 inches)
- **Width:** 168.6 mm (6.64 inches)
- **Depth:** 40.8 mm (1.61 inches)
- **Weight:** 250 grams (8.82 ounces)

***

# Controls

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/EhHD3Ttd8_5mYmSylJUbc_busy-bar-buttons.png)

- ****:inlineImage[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/ZjM_I6D2HlStS7r9sH_9V-20260316-102821.png" alt caption width="140" height="110"}** Start / Pause button** — Start or pause modes, also OK
- ****:inlineImage[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/wi7xMxRuIxCMAmRWzm-iW-20260316-102821.png" alt caption width="110" height="110"}** Mode selector** — Select modes, open apps, or access settings
- ****:inlineImage[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/7YKaSwNYj7BVY8cjYPl-C-20260316-102822.png" alt caption width="110" height="110"}** Scroll wheel** — Navigate menus, also OK / Skip
- :inlineImage[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/kOjxN6IQrspQMDuqFdM9u-20260316-102821.png" alt caption width="110" height="112"}** Back button** — Go back or exit apps

***

# Main display

::Image[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/mpeAgVg5HkdgsWy407qJZ-20260422-114944.jpg" size="90" width="1900" height="839" darkWidth="1900" darkHeight="839" position="center" showCaption="false"}

- **Resolution:** 72x16 pixels
- **Max refresh rate: **60 Hz
- **Physical size: **158.4x35.2 mm
- **Brightness control:** Manual or automatic (via light sensor)



![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/8d8uvNm3Pj5jK45RCbSy2_busy-bar-led.png)

- **LED type: **RGB with common anode
- **LED size: **1.23x1.2 mm
- **LED pitch:** 2.2 mm
- **LED driver chips:** ICND2153 + ICN2012

***

# Monitor mount

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/00KCH_1NGswqHBM8pBTJD_monitor-mount.png)

- **Compatible with monitors:** Up to 21 mm (0.83 inch) thick 

***

# Back display

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/xgp3wRORJwgxnW4cFNVRg-20260422-115443.jpg)

- **Type:** Monochrome OLED (white)
- **Diagonal:** 1.54 inches
- **Max refresh rate: **60 Hz
- **Colors:** 16 grayscales
- **Resolution: **160x80 pixels
- **Controller:** SSD1320
- **Interface: **SPI
- **Brightness control:** Manual or automatic (via light sensor)

***

# Main MCU

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/6IVT8hDNAvX1h9_TA_Qkc_busy-bar-mcu.png)

- **Model:** [STM32U595RI](https://www.st.com/en/microcontrollers-microprocessors/stm32u595ri.html)
- **Core: **Arm Cortex-M33 @ 160 MHz + MPU, FPU, and DSP
- **Flash:** 2 MB
- **SRAM:** 2.5 MB

***

# Wireless MCU

- **Model:** [Silicon Labs SiWG917M111MGTBA](https://www.silabs.com/wireless/wi-fi/siwx917-wireless-socs/device.siwg917m111mgt)
- **Core: **Arm Cortex-M4F @ 180 MHz + MPU, FPU, and NWP
- **Flash:** 8 MB
- **SRAM:** 672 KB

***

# Wireless connectivity

- **Wi-Fi version: **Wi-Fi 6 (IEEE 802.11 b/g/n/ax)
- **Wi-Fi band: **2.4 GHz only
- **BLE version: **5.4

***

# Data storage

- **Type: **eMMC NAND flash memory
- **Capacity: **8 GB

***

# Speaker

::Image[]{src="https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/HULa9bGN5rUZF6mxojX2u-20260415-110809.jpg" size="82" width="2000" height="1429" darkWidth="2000" darkHeight="1429" position="center" showCaption="false"}

- **Audio mode: **Mono
- **DAC model: **NS4168
- **DAC input interface: **I2S
- **DAC sample rate: **44.1 kHz
- **Amplifier type: **Embedded in DAC 
- **Amplifier class:** D
- **Speaker impedance:** 6 ohms
- **Speaker power: **0.8 W

***

# Battery

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/I6-gqamleN33_43Ikx51W-20250912-150044.jpg)

- **Type: **1-cell 18650
- **Capacity:** 3250 mAh
- **Battery connector: **A2007-H04 (4-pin)
- **Protections: **Overcharge, over-discharge, overtemperature, undertemperature
- **Charging time:**
  - 2.5 hours — with an 18 W (or higher) Power Delivery charger
  - 7–8 hours — with other USB chargers or a USB port

***

# USB-C port

- **Function: **Virtual LAN adapter and charging port
- **Mode:** USB device with Power Delivery (PD) support
- **Version: **2.0 Full speed
- **Max speed: **12 Mbit/s
- **PD version: **3.0
- **PD supported modes: **5V⎓3A, 9V⎓1.5A

***

# What’s in the box

![](https://api.archbee.com/api/optimize/3StCFqarJkJQZV-7N79yY/C0bJQbGvLkqta0RzkKkZD_whatas-in-the-box.png)

- BUSY Bar
- USB-C cable (2 m)