Headset Radio Headset Fm Charging Model with Storage Radio Headphone

Product information: Sound Quality Selection: Stereo Color: as shown in the picture Product Category: Radio/Recorder Model: F4 Battery specification: 650mA 1. Product name: F4 FM headset 2. Product features: one-click storage, fully automatic search, foldable, with lithium battery 3. Frequency range: FM 50 - 108MHz 4. Dry battery version: Power supply battery: 2 AA batteries (AAA * 2) Lithium battery version: polymer lithium battery 400 mAh (capacity can be customized) 5. Receiving sensitivity: ≤ 8DB 6.2 search methods: manual search/automatic search 8. Working voltage: 3V-5V 9.Audio input port: φ 3.5mm 10. Speaker parameters: φ 40mm32Ω 0.25W Package: 1 * Rechargeable Headset