Description Volkano Phonic Series Bluetooth Headphones – Black Volkano Phonic Series Bluetooth Headphones – Black. Wireless Headphones, 24 Hour Playtime Immersive Sound, Foldable Hands-Free Headset 24HR EXTRA LONG PLAYTIME – The high-capacity battery of this Bluetooth 5.0 wireless headphone has a 400 mAh battery that requires only a 2.5-hour charge and gives you up to 18 hours of uninterrupted playtime – totalling to an overall 24 hours of battery life. Bluetooth wireless or 3.5mm aux over-the-ear headphones with an integrated mic and hands-free calling for when classes start; The essential back to school supplies to make your child’s BTS/homeschooling return a success; Easily pair and connect to a laptop/PC via the 3.5mm audio cable or wirelessly. FM RADIO HEADPHONES – Built-in FM radio and integrated SD Card reader so you can use a TF/Micro SD card with loaded MP3 music and listen to the songs directly on your headphones. Play music from a card with one-touch ear-cup fingertip controls. To connect to FM stations, touch the “FM/MP3” button, and the “Power/Play” button to auto-scan stations; fine-tune your station by pressing the volume button. BLUETOOTH 5.0 – Its multi-functional power button makes pairing to compatible devices quick and easy. Compatible with: Android, Samsung Galaxy, iPhone, iPad, Laptop, Google Pixel, and other smart devices. Connect your devices via a cable and use as wired headphones by connecting inserting the 3.5 mm audio cable into the headphones Aux input port, then connect the other end with the audio output jack of your mobile phone, MP3 player, or PC (Package contains a 3.5mm auxiliary cable) Specifications: Bluetooth® Version: v5.0 Chipset: JL 6925 Range: Up to 10 m / 33 ft Profiles: 2ADP, AVRCP, HFP Playtime: 18 – 24 hours Charging Time: 2,5 hrs Battery: 400 mAh Lithium Driver Size: 40 mm Frequency: 20 Hz – 20 kHz Sensitivity: 108 ± 3 dB Impedance: 64 Ω Features: Hands-free Calling Built-in FM Radio Folding Design Removable Aux Cable Extra Soft, Padded Ear Cups Looking for something a bit more powerful? Feel free to browse our wide selection of Wireless Headsets HERE