Sirui Am 40 Low Profile Ball Head, Professional Heavy Duty 40Mm Tripod Ball Head, 360� Panoramic Cnc Aluminium Alloy Tripod Head For Dslr Camera, Camcorder, Quick Release Plate, Max Load 88Lbs/40Kg Wi-Fi Routers & Mesh Systems * **Tuning Frequency:** 40Hz

* **Tuning Frequency:** 40Hz

(2) Please Dont Use It Outdoor

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Keyboard Cover For Logitech Mk825 Mk850 Mk875 Wireless Keyboard Compatible With Model: -Logitech Mk850 Mk875 Performance Wireless Keyboard -Logitech Mk825 Wireless Keyboard Feature: Flexible

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Sirui Am 40 Low Profile Ball Head, Professional Heavy Duty 40Mm Tripod Ball Head, 360� Panoramic Cnc Aluminium Alloy Tripod Head For Dslr Camera, Camcorder, Quick Release Plate, Max Load 88Lbs/40Kg Wi-Fi Routers & Mesh Systems * **Tuning Frequency:** 40HzSirui Am 40 Low Gravity Ball Head, Aluminium Professional Tripod Head With 40Mm Huge Ball,360 Panning Base,Bubble Level, Qr Plate, Load Up 88Lbs 40Kg