Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Y When performance is your priority, rely on proven, trusted technology. With the cylindrical lithium-ion battery cell your laptop gets stable power that’s great for high-performance devices. Lithium-Ion (Li-Ion) Numeric keyboard Y Hard Drive HDD HDMI 1 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y HP ProBook 4545s, AMD A6, 2.7 GHz, 39.6 cm (15.6"), 1366 x 768 像素, 4 GB, 750 GB HP ProBook 4545s. 產品類型: 筆記型電腦, 外型: 翻蓋式. 處理器系列: AMD A6, 處理器類型: A6-4400M, 處理器頻率: 2.7 GHz. 顯示器尺寸(對角長): 39.6 cm (15.6"), HD 類型: HD, 顯示器解析度: 1366 x 768 像素. 內部記憶體: 4 GB, 內部記憶體類型: DDR3-SDRAM. 總儲存空間: 750 GB, 媒體儲存功能: HDD 硬式磁碟機, 光碟機: DVD Super Multi DL 雙層燒錄. 主機板內建顯示卡型號: AMD Radeon HD 7520G. 產品色彩: 銀