Practical Voice Sound Box: Our sound box operates on 3 batteries (not included), providing long-lasting use. Depending on the length of the sound file, the battery can last for years. Our sound box boasts ample memory, capable of storing numerous MP3 files for loop playback; you can store sound messages or your favorite music; when the battery is replaced, your sound remains safe and ready to play without re-importing. Easy to Use: First, connect the sound player to your computer using the USB cable. Once connected, it will appear as a USB drive in your computer's interface. Simply click on it, insert your desired audio, and unplug the USB cable once the transfer is complete; To play the sound, turn on the power switch, adjust the volume, and press the button to start playback. To change the sound, press the button again. Great Gift: Imagine the recipient's surprise when your gift speaks! The sound box can be used as stuffing for plush toys, gift packaging, etc.; it will be a delightful surprise to hear a sound when your family, friend, or partner receives the gift; these gifts can create unforgettable memories for friends and relatives. Wide Application: This voice sound box can be used in many occasions and in various ways, such as creating sound frames, musical gifts, voice plush toy buttons, custom sound buttons, etc. You can upload your favorite music, you can send gifts that play congratulatory music, such as Christmas, New Year, birthdays, etc., to give the gift a special touch. The sound player has 16M of memory, can store 960 seconds of MP3 audio files and 2400 seconds of WMA files; It measures 5.8 x 4.7 x 2.5 cm; The USB cable is approximately 22.3 cm long; There's a volume adjustment knob for easy volume control; it's small and easy to carry. Due to different product batches, the appearance may vary, which does not affect the use. Color: White Material: Plastic Package Contents: 1 x Sound Box 1 x Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.