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Ltech

Ltech B2 Bluetooth LED Controller

Bluetooth
SKU B2
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Overview

Features

  • Bluetooth 5.2 SIG Mesh communication protocol, with strong networking capabilities and reliable and stable local control;
  • Supports use with LED controller B5-3A and intelligent touch panels EB1/EB2/EB5 to achieve intelligent lighting control;
  • When paired with Bluetooth lighting fixtures, it enables control of light switching, dimming, and color adjustment;
  • Combined with a smart gateway, it can achieve local automation/cloud automation control methods;
  • Supports local scenes, operates without a gateway, and remains controllable during network outages, offering faster and more stable performance;
  • Supports battery level detection – when the remote control's battery is low, the indicator light flashes to remind users to replace the battery;
  • Equipped with a dedicated wall-mounted base, it allows flexible selection of wall-mounted or desktop use to meet diverse usage needs.

Specifications

B2Specifications from the official datasheet (2026-08-08 edition)Download datasheet PDF

Specification Parameters

Model
B2
Control Type
CT
Working Voltage
3Vdc(AAAΓ—2)
Wireless Type
Bluetooth 5.2 SIG Mesh
Number of Zones
4-zone control
Matching touch panel
EB2/EB6
Compatible Driver
B5-3A
Working Temperature
-10℃~50℃
Dimensions
162Γ—42Γ—15mm(LΓ—WΓ—H)
Package Size
166Γ—47Γ—22mm(LΓ—WΓ—H)
Product Weight
55g Β±10g

Certifications & ratings

Certification marks
CE, FCC, RoHS, SRRC, RED

Technical drawings

B2 Remote control button functions
Remote control button functions
B2 2. Network Configuration Operation
2. Network Configuration Operation
B2 Restore to factory settings
Restore to factory settings

Downloads

FAQ

What is the Ltech B2 used for?

The B2 is a Bluetooth LED controller that allows you to manage lighting zones wirelessly. It supports 4-zone control and is compatible with the B5-3A driver.

What power source does the B2 require?

The B2 operates on 3Vdc, powered by two AAA batteries.

What wireless technology does it use?

It uses Bluetooth 5.2 SIG Mesh for wireless communication.

Which touch panels and drivers are compatible?

The B2 matches with EB2 or EB6 touch panels and is compatible with the B5-3A driver.

What is the operating temperature range?

The B2 is designed to operate in temperatures ranging from -10Β°C to 50Β°C.

What are the physical dimensions of the controller?

The unit measures 162mm in length, 42mm in width, and 15mm in height.

Does the B2 have any safety certifications?

Yes, the B2 carries CE, FCC, RoHS, SRRC, and RED certification marks.

Payment & Security

Payment methods

  • American Express
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  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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Ltech B2 Bluetooth LED Controller
Ltech

Ltech B2 Bluetooth LED Controller

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Features

  • Bluetooth 5.2 SIG Mesh communication protocol, with strong networking capabilities and reliable and stable local control
  • Supports use with LED controller B5-3A and intelligent touch panels EB1/EB2/EB5 to achieve intelligent lighting control
  • When paired with Bluetooth lighting fixtures, it enables control of light switching, dimming, and color adjustment
  • Combined with a smart gateway, it can achieve local automation/cloud automation control methods
  • Supports local scenes, operates without a gateway, and remains controllable during network outages, offering faster and more stable performance
  • Supports battery level detection – when the remote control's battery is low, the indicator light flashes to remind users to replace the battery
  • Equipped with a dedicated wall-mounted base, it allows flexible selection of wall-mounted or desktop use to meet diverse usage needs.
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