F4 Digital Display Automatic Scanning Foldable FM Radio Headphone, Spec: Charging Version

Features:1. Soft memory foam ear pads, comfortable to wear2. Stretchable headband design, suitable for different groups of people3. FM50-108MHz, better reception, clear signal, bringing you a wonderful and relaxing experience4. Small size, light weight, easy to carryProduct parameters:1. Function: one-click storage, automatic search, foldable2. Frequency range: FM50-108MHz3. Receiving sensitivity: 8DB4. Frequency response: 200Hz-2000Hz5. Search mode: manual search/automatic search6. Number of stored channels: 307. Working voltage: 3V-5V8. Current: 32mA9. Audio input port: 3.5mm10. Speaker parameters: 40mm 32 ohms 0.25W11. Dry battery version power supply: 7 batteries x 2 (no batteries shipped)12. Lithium battery version Battery capacity: 650 mAh polymer lithium battery13. Folded size: 4.75 x 4.75 inches14. Net weight: 180 grams