General description This Digital Radio Bluetooth 4.0 Personal Pocket FM Mini Portable Earphone MP3 player is designed for convenience and high-quality sound. With a compact size, it is perfect for outdoor activities such as hiking, walking, or running. The device features a 1.8-inch LCD display that is easy to read and adjustable for display and contrast. Technical specifications Bluetooth Version: 4.0 FM Frequency: 87 MHz - 108 MHz Band III Frequency: 174.928 MHz - 239.2 MHz Audio Output: 3.5mm headset Support TF Card: Max 32GB Supported Music Formats: MP3, WMA Charging Voltage: Micro-USB DC 5V Battery: Built-in 850mA lithium battery Charging Time: 3-4 hours Play Time: Up to 8 hours Item Weight: About 45 g Item Size: Approximately 8 * 4.5 * 1.5 cm (3.15 * 1.77 * 0.59 in) Color: Black Material: Plastic Compatibility and accessories Includes: 1 * Digital Radio 1 * Earphone 1 * Charging Cable 1 * User Manual (English) Usage This device can be used to listen to crystal clear FM stereo