Cuffie Bluetooth wireless stereo pieghevoli sportive con microfono e funzione vivavoce per lettore MP3

Product Description: [Bluetooth V5.3 and Easy Connection]Built in two 40mm large bezel driver units and Bluetooth 5.3 technology, our overhead headphones can offer more stable transmission speed, lower latency and better audio output,which give you wonderful music enjoyment.Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc. Voice control the mode,big press buttons for easy operation of the headphone; [Good Sound Quality [Long Battery Life [Built for Your Comfortability]With ergonomical design,big earcup for comfortable to wear, lightweight no pressure for the head. Foldable and adjustable length hinges headphone is best choice for travel, sport and daily use by Unisex Kids, Teens and Adults. Specification: 1> Bluetooth Version: V5.3 2>Frequency: 2.40GHz-2.48GHz 3>Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 4>Frequency response: 20 Hz - 20 KHz 5>Power: ≤ 4 dBm, class 2 6>S/N rate: 70 db 7>Effective range:10 meters 8>Voltage:3.7VDC (built-in 400MAH rechargeable battery) 9> Play time: 20 Hours, Charge time: 2.5 Hours ,Standy time: 360 Hours 10>operate temperature:-4 ~ +131°F(-20 ~ +55°C) FAQ: 1.How to charge this headset? Connect your computer and headphone with the USB cable or 3.7VDC mains adapter. 2.How to start the headset and listen the music on the computer? Please be sure your computer have a bluetooth function and turn on the bluetooth, then press headphone’s ON/OFF key and you will see the blue light blinking and get ready to pair, search and pair until connected. Use your computer to start music and enjoy it with the headset. 3. How to operate the bluetooth headphone with mobile phone? a.Turn on bluetooth on mobile phone,press headphone’s ON/OFF key and you will see the blue light blinking and get ready to pair, search and pair until connected. b. If someone call you, you just need press the Hang up/Pause button, and you can chat with your friend on the phone. Finished your talking, you just need press the Hang up/Pause button, and you can continue your music. 4.How to use the FM function? Just press the MEQ button on the headset it will change to FM mode, press the "PAUSE" button to scan radio automatically, and short press "Volume+" and "Volume-" to choose scanned radio. 5.How to use the MP3 function? Just insert the TF card into the slot, music will play directly.(we don't provide TF card)