fosa Foldable Head-Mounted Bluetooth Headset Portable Stereo Bass 3.5mm Wireless Music Headphone with Battery for Computer Laptop PC Support FM Radio

Features: Noise is isolated from the head design, and can also be connected to the audio input for use as a music headset. Product button function is clear. The battery can be unloaded for easy replacement of the battery. (It is recommended that if it is not used for a long time, it can be removed.) The style is novel, the outer shell of the product is made of ABS material, and the outer casing is firm. Support FM radio function. Specification: FM frequency range: 50-108MHZ FM sensitivity: > 18DB Bluetooth version number: 4.0GHZ Bluetooth sensitivity: -80dbm Speaker: diameter 40mm / 32? / 0.5W Distortion: ?1% Working voltage: 3V-5V Audio input interface: 3.5mm Lithium battery 3.7V 500mah External power supply DC 5V Bluetooth receiving distance: ?10 meters Stereo resolution: 20DB Signal to noise ratio: 45DB Package Weight: Approx. 266 g / 9.38 oz Package list: 1 * Headset 1 * Charging Cable 1 * AUX Cable 1 * English Manual