Keychron
BM25
107 × 65 × 38 mm · 79 g
palm grip
12.6–15.2 cm
claw grip
13.7–16.4 cm
fingertip grip
14.8–17.8 cm
Hand lengths (wrist to middle fingertip) this mouse suits, by grip.
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Will the BM25 fit my hand?
- Will the Keychron BM25 fit small hands (about 17.2 cm long)?
- Probably not. It's on the large side for these hands.
- Will the Keychron BM25 fit medium hands (about 18.7 cm long)?
- Probably not. It's on the small side for these hands.
- Will the Keychron BM25 fit large hands (about 20.2 cm long)?
- Probably not. It's on the small side for these hands.
| Grip | Hand length | Hand width |
|---|---|---|
| palm | 12.6–15.2 cm | 7.9–10.1 cm |
| claw | 13.7–16.4 cm | 8.6–11.0 cm |
| fingertip | 14.8–17.8 cm | 9.1–11.6 cm |
Specs
- Length
- 107 mm
- Width
- 65 mm
- Height
- 38 mm
- Weight
- 79 g
- Shape
- Symmetrical
- Hand
- Right (side buttons on the left)
- Connection
- Wireless
Fits like the BM25
The closest mice in length, width and height, so they should feel familiar in the same hand.
| Mouse | Length | Width | Height | Weight |
|---|---|---|---|---|
| Razer Orochi V2 | 108 +1 | 62.6 -2.4 | 38.5 +0.5 | 60 g |
| Dream Machines DM8 Mini Pro | 105.5 -1.5 | 63 -2 | 36.3 -1.7 | 42 g |
| Keychron BM24 | 104 -3 | 63 -2 | 39 +1 | 81 g |
| Zaopin Z1 | 109.5 +2.5 | 62 -3 | 38.5 +0.5 | 65 g |
| Zaopin Z1 Pro | 109.5 +2.5 | 62 -3 | 38.5 +0.5 | 46 g |
| Zaopin Z1 Pro Max | 109.5 +2.5 | 62 -3 | 38.5 +0.5 | 52 g |
Specs from the official Keychron product page. Listed since 2026-10-24.