【Multi-Functional Emergency Radio】Combines AM/FM radio, Bluetooth-compatible speaker, MP3 player, LED flashlight, and power bank in one compact device. 【Versatile Charging Options】Features multiple charging methods including hand crank, built-in 3000mAh lithium battery, backup dry batteries, and USB input for reliable power in any situation. 【Emergency Power Bank】Serves as a mobile power source, providing 50-70% charge for various smartphones in emergency situations. 【SOS Emergency Features】Equipped with an SOS emergency call alarm and a high-sensitivity antenna for critical situations. 【Portable Design】Compact size of 18*13.5*5.2cm and lightweight at 520g, with a convenient wrist strap for easy carrying during outdoor activities. Specifications: Material: ABS FM frequency: 87-108MHz External memory card: maximum support 64G Bluetooth-compatible: BL5.0 Charging method: hand crank/built-in lithium battery 3000mAh/backup dry battery Power supply: built-in lithium battery 3000mAh 18650*2/3 x AA dry batteries (not included) Product size: 18*13.5*5.2 cm Product weight: 520g Standby time: 1 year Full-charge playback time: more than 15 hours (70% volume) Full-charge flashlight time: 45 hours Emergency radio playback time (hand crank for 5 minutes): 15 minutes Charging time: 4 hours Mobile phone emergency charging: 50-70% power (different mobile phones will vary)