Smlight SLZB-MR1U vs Sonoff Dongle Max comparison

Updated July 2026

Data from Amazon and official Smlight and Sonoff sites.

2026 verdict

Across the 2026 comparison, Smlight SLZB-MR1U earns the nod over Sonoff Dongle Max on the strength of rating, dual network, and bluetooth proxy. The main reason it wins is rating, dual network, and bluetooth proxy, and its broader overall balance strengthens that case. Sonoff Dongle Max can still be the right pick, but only if its specific feature mix outweighs the wider strengths of Smlight SLZB-MR1U. That is why Smlight SLZB-MR1U wins the verdict here.

Winner

Smlight

Smlight SLZB-MR1U

$102.99

Buy on Amazon USA

Sonoff

Sonoff Dongle Max

Price unavailable right now

Buy on Amazon Canada

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Feature	Smlight SLZB-MR1U	Sonoff Dongle Max	Winner
Rating	4.8	4.2	Smlight SLZB-MR1U
Dual Network	YES	Experimental	Smlight SLZB-MR1U
Bluetooth Proxy	YES	NO	Smlight SLZB-MR1U
Zigbee Chip Model	EFR32MG21 / CC2652P7	EFR32MG24	Different strengths
Amplifier Gain	+20dB	+20dBm	Different strengths
Warranty	1 year	1 year	Tie
Power	USB, PoE	USB, PoE	Tie
Connectivity	USB, Ethernet, 2.4 GHz WiFi	USB, Ethernet, 2.4 GHz WiFi	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie

Winner

Smlight

Smlight SLZB-MR1U

$102.99

Buy on Amazon USA

+ Rating: 4.8
+ Dual Network: YES
+ Bluetooth Proxy: YES

Sonoff

Sonoff Dongle Max

Price unavailable right now

Buy on Amazon Canada

- Rating: 4.2 vs 4.8
- Dual Network: Experimental vs YES

Frequently Asked Questions

Which is better overall: Smlight SLZB-MR1U or Sonoff Dongle Max?

Smlight SLZB-MR1U has the stronger overall profile in this comparison, especially for rating, dual network, and bluetooth proxy.

What is the biggest difference between Smlight SLZB-MR1U and Sonoff Dongle Max?

Rating is one of the clearest differences: Smlight SLZB-MR1U lists 4.8, while Sonoff Dongle Max lists 4.2.

Who should buy Smlight SLZB-MR1U?

Choose Smlight SLZB-MR1U if your priority is rating and dual network and that matters more than the competing advantages.

Who should buy Sonoff Dongle Max?

Choose Sonoff Dongle Max if your priority is its specific strengths and that matters more than rating.

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