
Logitech Signature Comfort Plus M850 L
Compared with yours · Logitech G502 X PLUS
- Weight106 g → 107.9 g
- Listed controls13 → 6
- ConnectionLIGHTSPEED wireless USB receiver; wired USB-C data and charging cable → Bluetooth Low Energy; Logi Bolt USB receiver compatible (not included); up to 3 paired devices
- Length131.4 mm → 121.8 mm
- Hand orientationRight-hand control layout; left-side thumbrest and thumb controls → Right
4 more differences
- Scroll controlsFree-spin or ratcheted scrolling; left/right wheel tilt → SmartWheel scrolling
- Sensor model / typeHERO 25K → Pluto ONE (Logitech Advanced Optical tracking)
- Customisation softwareLogitech G HUB → Logi Options+
- Battery life and conditionsUp to 130 hours with lighting off; up to 37 hours with RGB on → 1 × AA alkaline (included, replaceable); up to 24 months over Bolt or Bluetooth
Full comparison vs Logitech Signature M650
More details & evidence
Exact model: Graphite · 910-007715 · UK manufacturer configuration
Sources: 20 of 22 specifications cited · 1 with conflicting sources, shown as such.
Evidence · Conflicting facts to check
20/22 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.
- Manufacturer facts
- 20
- Calculated from sources
- 0
- Independent measurements
- Not available
- Owner evidence
- Not available
- Conflicting facts
- 1
UK exact model
Market details
UK specification. UK availability not verified.
The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.
Check the manufacturer sourceWe have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.
Before you choose
- No receiver in the box: without Bluetooth you need a separately bought Logi Bolt receiver, and other Logitech USB receivers are not supported.Logitech UK — Signature Comfort Plus M850 L product page and technical specifications
- No thumb wheel (horizontal scrolling is virtual), and sensitivity tops out at 4,000 DPI.Logitech UK — Signature Comfort Plus M850 L product page and technical specifications
- Right-handed only; Logitech does not publish a report rate.Logitech UK — Signature Comfort Plus M850 L product page and technical specifications
Key specification sources
Evidence & conditions
Manufacturer specification
With the AA battery; receiver not included. 82.9 g without battery.
Logitech UK — Signature Comfort Plus M850 L product page and technical specificationsEvidence & conditions
Manufacturer specification
Left/right click, scroll-wheel middle click, side buttons and DPI button; 4 programmable.
Logitech UK — Signature Comfort Plus M850 L product page and technical specificationsEvidence & conditions
Manufacturer specification
Not compatible with other Logitech receivers; not Unifying-ready.
Logitech UK — Signature Comfort Plus M850 L product page and technical specificationsEvidence & conditions
Manufacturer specification
Logitech UK — Signature Comfort Plus M850 L product page and technical specificationsEnter a price you found
Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.






