**Product Specifications:**
**Brand:** Eight Tones
**Model:** Retro 87M Mechanical Keyboard
**Keyboard Dimensions & Weight:** 376.6*169.6*46.8mm, 1050g
**Super Key Dimensions & Weight:** 160.2*74.6*32.3mm, 270g
**Data & Charging Interface:** USB Type-C
**Connection Options:** Bluetooth\2.4G\Wired
**Battery Life:** Up to 200 hours, 4 hours to fully charge (recommended 5V1A power)
**Polling Rate:** 500Hz for 2.4G & Wired, 125Hz for Bluetooth
**Keycap Height:** MDA profile
**Keycap Material:** PBT with dye-sublimation
**Keyboard Structure:** Top-mounted structure, aluminum plate
**Switches:** Kailh BOX V2 White switches
**Switch Socket:** 5-pin hot-swappable
**Anti-ghosting:** Full-key rollover
**Sound Dampening:** EVA foam padding
**Expansion Keys:** 4 customizable keys
**Expansion Interface:** 4 super key interfaces
**Cable Length:** Keyboard - 1.8m, Super Keys - 1.3m
**Supported Platforms:** Windows 10/11, Android
**Additional Features:** Elite software (under testing, stay tuned), 1 set of configuration profiles
**Customer Service Hotline:** 400-963-9188
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