Logitech K400 Plus 2.4GHz Wireless Touch Control Keyboard, Wireless Range: 10m (Black) Tag-Earpiece & Loundspeaker One Package Size 26cm *

One Package Size 26cm * 20cm * 1cm / 10

Carton Size 40cm * 42cm * 50cm / 15

Carton Size 32cm * 32cm * 32cm / 12

6 TF cards

40HQ: 3256 cartons * 500 pcs = 1628000 pcs

Logitech K400 Plus 2.4GHz Wireless Touch Control Keyboard, Wireless Range: 10m (Black) Tag-Earpiece & Loundspeaker One Package Size 26cm *1. 10 meters wireless receiving range, large living room can also be sensitive and stable connection. (The wireless reception range varies depending on the working environment and computer settings). 2. Plug and play: just insert the micro Unifying receiver You can start using it. 3. Battery life is up to 18 months. (Assuming a maximum of two hours per day. Actual battery life varies with usage, settings, and environmental conditions). 4. The buttons