Winner
Updated October 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
Between Smlight SLZB-MR4 and Sonoff Dongle Max, Smlight SLZB-MR4 is the better overall pick in 2026, leading on dual network and bluetooth proxy.
Its biggest wins come from dual network and bluetooth proxy, and its broader overall balance adds more confidence to the verdict. Sonoff Dongle Max still makes sense if price and rating are your priority, but most buyers should still lean toward Smlight SLZB-MR4. In practical terms, Smlight SLZB-MR4 is the easier product to recommend.
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| Feature | Smlight SLZB-MR4 | Sonoff Dongle Max | Winner |
|---|---|---|---|
| Price | $130.00 | $42.90 | Sonoff Dongle Max |
| Rating | 4.0 | 4.3 | Sonoff Dongle Max |
| Dual Network | YES | NO | Smlight SLZB-MR4 |
| Bluetooth Proxy | YES | NO | Smlight SLZB-MR4 |
| Zigbee Chip Model | EFR32MG26 / CC2674P10 | EFR32MG24 | Different strengths |
| Antenna Gain | +5dB | +5dBi | 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 |
Winner
$130.00
- + Dual Network: YES
- + Bluetooth Proxy: YES
- - Price: $130.00 vs $42.90
- - Rating: 4.0 vs 4.3
$42.90
- + Price: $42.90
- + Rating: 4.3
- - Dual Network: NO vs YES
- - Bluetooth Proxy: NO vs YES
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Smlight SLZB-MR4
- Sonoff Dongle Max
Loading price history...
Frequently Asked Questions
Which is better overall: Smlight SLZB-MR4 or Sonoff Dongle Max?
Smlight SLZB-MR4 has the stronger overall profile in this comparison, especially for dual network and bluetooth proxy.
What is the biggest difference between Smlight SLZB-MR4 and Sonoff Dongle Max?
Price is one of the clearest differences: Smlight SLZB-MR4 lists $130.00, while Sonoff Dongle Max lists $42.90.
Which one looks better on price?
Smlight SLZB-MR4 is listed at $130.00, while Sonoff Dongle Max is listed at $42.90. Sonoff Dongle Max (better spec).
Who should buy Smlight SLZB-MR4?
Choose Smlight SLZB-MR4 if your priority is dual network and bluetooth proxy and that matters more than price.
Who should buy Sonoff Dongle Max?
Choose Sonoff Dongle Max if your priority is price and rating and that matters more than dual network.
Full comparison table
Compare all 36 Dongles side by side
You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 36 Dongles
- 32 specs compared
- 29 filters
SmlightSLZB-MRW10
$99.99
SmlightSLZB-06 U
$72.99
SmlightSLZB-MR3
Unavailable
SmlightSLZB-MR5U
$119.99
SmlightSLZB-07
$34.99
SmlightSLZB-MR1U
$102.99
SmlightSLZB-07p7
$36.99
SonoffZBDongle-E
$24.90
Nabu CasaHome Assistant Connect ZBT-2
Last price$65.00
Unavailable
SonoffZBDongle-P
16% OFF$39.99$33.42
SonoffDongle Plus MG24
$35.90
ZoozZ-Wave Long Range Stick
$39.95
Nabu CasaHome Assistant Connect ZWA-2
$79.00
SmlightSLZB-06M
$72.99
SonoffDongle Plus PP10
$35.90
SmlightSLZB-06p7U
$78.99
SonoffDongle Lite MG21
$24.90
AeotecZ-Stick 7
$39.99
AeotecZ-Stick 10 Pro
$59.99
SonoffDongle-PZG23
$39.90
DonglesSmlightSLZB-06 MG24
4.5(6)$82.99
DonglesSmlightSLZB-06 MG26
3.4(7)$84.99- DonglesSmlight
SLZB-06 U
5.0(5)$72.99 
DonglesSmlightSLZB-06
4.2(183)$72.99- DonglesSmlight
SLZB-06M
4.6(112)$72.99 
DonglesSmlightSLZB-06P10
4.4(11)$84.99
DonglesSmlightSLZB-06p7
4.4(11)$79.99- DonglesSmlight
SLZB-06p7U
4.6(33)$78.99 
DonglesSmlightSLZB-07 MG24
3.5(6)$45.99
DonglesSmlightSLZB-07 MG26
4.5(86)- DonglesSmlight
SLZB-07
4.9(20)$34.99 
DonglesSmlightSLZB-07P10
3.0(1)$48.99- DonglesSmlight
SLZB-07p7
4.8(8)$36.99 
DonglesSmlightSLZB-MR1
4.4(11)$101.99- DonglesSmlight
SLZB-MR1U
4.8(16)$102.99 
DonglesSmlightSLZB-MR2
3.5(3)Unavailable- DonglesSmlight
SLZB-MR3
5.0(1)Unavailable - DonglesSmlight
SLZB-MR4
4.0(5)$130.00 - DonglesSmlight
SLZB-MR5U
5.0(1)$119.99 - DonglesSmlight
SLZB-MRW10
5.0(12)$99.99
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.8(194)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.4(172)$49.90
CamerasSonoffCAM GlassView
4.1(39)$34.90
CamerasSonoffCam Outdoor DUO
3.5(2)$79.90
CamerasSonoffCam Slim Gen2
4.4(179)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)Unavailable
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(76)$129.90- DonglesSonoff
Dongle Lite MG21
4.5(458)$24.90 
DonglesSonoffDongle Max
4.3(623)$42.90- DonglesSonoff
Dongle Plus MG24
4.6(696)$35.90 - DonglesSonoff
Dongle Plus PP10
4.6(100)$35.90 - DonglesSonoff
Dongle-PZG23
4.5(176)$39.90 
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.5(28)$44.90- DonglesSonoff
ZBDongle-E
4.7(3,745)$24.90 - DonglesSonoff
ZBDongle-P
4.6(5,689)16% OFF$39.99$33.42 
Door & Window SensorsSonoffDW2-WIFI
3.8(1,058)$12.90
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)Last price$17.99
Unavailable
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$15.90
Door & Window SensorsSonoffSenseGuard DW Gen2
4.2(279)$13.90