Features 1、Suitable for various occasions such as weddings, birthday parties, graduation parties, baby showers, etc. 2、Built-in 12000mAh lithium battery, strong battery life, worry-free messaging. 3、With LED light, convenient for checking phone status, making more convenient. Specification This Voice Mailbox Guestbook Phone is suitable for various occasions, with a built-in 12000mAh lithium battery and LED light, making your messaging more convenient and fun. It's your ideal choice for messaging. Features: Suitable for various occasions such as weddings, birthday parties, graduation parties, baby showers, etc. Built-in 12000mAh lithium battery, strong battery life, worry-free messaging. With LED light, convenient for checking phone status, making more convenient. Supports recording of greeting messages and guest messages, meeting your different needs. Connects via USB data cable, convenient for accessing greeting messages and guest messages. Specifications: Product Name: Voice Mailbox Guestbook Phone Battery: Built-in 12000mAh Lithium Battery Charging Method: USB Data Cable Connection to Type C Port Power Input: DC 5V LED Light: Yes Size: 44x42.5x25cm / 17.3x16.7x9.8in Package list: 1 * Voicemail Guestbook Phone 1 * TF 8GB card ( Built-in) 1 * 12000 mAh Lithium battery (Built-in) 1 * USB data cable 1 * user manual Easy ： On/Off: Turn the switch on the bottom to P1. The green light will flash for two seconds and then start the sleep. Greeting Message Recording: After hanging up the phone, press and hold the "Greeting" button on P2 until you hear a beep, then start recording your message. Release the "Greeting" button to finish recording, and the phone will automatically play it through the speaker. Guest Message Recording: After answering the phone, the greeting will automatically play on the handset. Wait for the beep and start. up the phone to finish recording, and the guest message will be saved in the "GUESTREC" folder. Guest Message Reading: Use the USB data cable to connect the phone as P3 to a PC or iPad. The "GREETING" folder contains your greeting messages, and the "GUESTREC" folder contains guest messages. Package List 1 * Voicemail Guestbook Phone 1 * TF 8GB card ( Built-in) 1 * 12000 mAh Lithium battery (Built-in) 1 * USB data cable 1 * user manual Easy ： On/Off: Turn the switch on the bottom to P1. The green light will flash for two seconds and then start the sleep. Greeting Message Recording: After hanging up the phone, press and hold the "Greeting" button on P2 until you hear a beep, then start recording your message. Release the "Greeting" button to finish recording, and the phone will automatically play it through the speaker. Guest Message Recording: After answering the phone, the greeting will automatically play on the handset. Wait for the beep and start. up the phone to finish recording, and the guest message will be saved in the "GUESTREC" folder. Guest Message Reading: Use the USB data cable to connect the phone as P3 to a PC or iPad. The "GREETING" folder contains your greeting messages, and the "GUESTREC" folder contains guest messages.