Specifications & Certifications
This page summarizes the specifications for each Hapbeat model and the certification details for the built-in wireless module.
Hardware Specifications
Section titled “Hardware Specifications”| Item | Duo WL (Necklace) | Band WL |
|---|---|---|
| MCU | ESP32-S3 (Wi-Fi 2.4 GHz / Bluetooth) | ESP32-S3 (Wi-Fi 2.4 GHz / Bluetooth) |
| Wireless Module | ESP32-S3-MINI-1 (Espressif) | ESP32-S3-MINI-1 (Espressif) |
| Communication | Wi-Fi UDP broadcast (primary) / ESP-NOW (optional) | Wi-Fi UDP broadcast (primary) / ESP-NOW (optional) |
| Haptic Output | 2 ch (left/right independent) / vibration actuators | 1 ch / vibration actuator |
| Display | OLED (128×32, SSD1306) + LED | OLED (128×32, SSD1306) + LED |
| Controls | 5 physical buttons + analog volume knob | 3 physical buttons |
| Battery | Lithium-ion (built-in, fixed) | Lithium-ion (built-in, fixed) |
| Battery Capacity | TBD mAh | TBD mAh |
| Continuous Use Time | TBD hours | TBD hours |
| Charging Port | USB Type-C | USB Type-C |
| Charge Time (est.) | TBD | TBD |
| Operating Temperature | 0°C to 35°C | 0°C to 35°C |
| Storage Temperature | 0°C to 35°C (recommended) | 0°C to 35°C (recommended) |
| Weight | TBD g | TBD g |
| Dimensions | TBD mm | TBD mm |
* TBD fields will be updated when the shipping version is finalized. See the product page for the latest information.
Communication Specifications
Section titled “Communication Specifications”| Item | Value |
|---|---|
| Wi-Fi Standard | IEEE 802.11 b/g/n (2.4 GHz band only — 5 GHz not supported) |
| Receive Ports | UDP 7700 (broadcast) / TCP 7701 (control / OTA) |
| Advertise | mDNS _hapbeat._udp |
| ESP-NOW | Channel configuration: synchronized with Bridge |
| Encryption | WPA2 (STA) / WPA2 or open (SoftAP) |
Certification
Section titled “Certification”Wireless (Radio Law / TELEC)
Section titled “Wireless (Radio Law / TELEC)”Hapbeat contains the ESP32-S3-MINI-1 Wi-Fi / Bluetooth module manufactured by Espressif. This module has obtained Technical Conformity Certification (TELEC) under Japan’s Radio Law.
| Item | Value |
|---|---|
| Certification Number | 201-230385 |
| Certificate Holder | Espressif Systems (Shanghai) Co., Ltd. |
| Certification Date | 2023-06-13 |
| Certification Type | Construction Design Certification for Specified Radio Equipment |
Official certificate (PDF): ESP32-S3-MINI-1 TELEC Certification (Espressif)
Because Hapbeat incorporates this certified module without modification, no additional certification under the Radio Law is required for the finished Hapbeat product.
Battery Safety
Section titled “Battery Safety”Hapbeat uses a fixed built-in lithium-ion battery. The following quality assurance measures are in place:
- Cells are sourced from partner factories that manufacture products compliant with international safety standards (IEC 62133, etc.)
- During Hapbeat assembly, visual inspection and terminal voltage of each battery is checked 100%
- Batteries are not user-replaceable and are permanently mounted
Related Links
Section titled “Related Links”- Hapbeat Overview — product lineup and button operations
- Care Guide — charging, handling precautions, disposal
- Troubleshooting — known issues and improvement roadmap
- Communication Model — design decisions behind Wi-Fi UDP / ESP-NOW