be careful! Recording telephone operation function:1. In normal state (without removing the handle), press and hold the ERC key, the phone will start recording with a "beep" sound, release to end the recording, and the external speaker will play the recording once. Press the ERC button once statically to play the host's message once, which can be operated again to replace the previous recording. (On hook status throughout the entire process)2. When the guest arrives, take off the handle and hear the host leave a message. After a "beep" sound, you can record the guest's message and hang up.3. Use a USB cable to connect to the computer or remove the TF card to read: When opening the USB drive, two files will appear: one is the owner's message "GREETING" folder, and the other is the customer's message "GUEST". (The USB cable can also charge the battery)4. Bottom indicator light reminder: 1. When charging, the red light; 2. When the battery is low, the red light flashes; 3. Blue light when working or fully charged1. and DurableThis rotary design old fashioned corded desk phone is built ABS and the telephone line is made of unique material, Which is durable.Beautiful appearance, outstanding details, full of retro nostalgia style. Special design for your home decor.2. Connect the phone line of the device without external power supply. The phone line has direct current and requires the installation of a battery. You can use a USB cable for charging (both the battery and USB cable are complimentary).3.Wide ApplicationThe retro rotary telephone shape is elegant and solemn with model of European and American design. It can be used in many situations, such as living room, bedroom, study, office, coffee shop, hotel, etc.4.After-sale GuaranteeIf you have any questions, please , we will do our best to solve it for you and give you the best purchase experience.SpecificationProduct name: voice recorder message bookColor: Yellow, red, blue,Beige,pink,blackSize: 23cm x 15cm x 15cm/9.05 x 5.9 x 5.9inTF card: the default is 16GB (included)Use time: continuous use 72h, standby 240hBattery capacity:1050mahProduct List.1 x recording telephone message book1 x data cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.