B39 Wireless Foldable Bluetooth Headphone

360 degrees surround stereo sound quality, enjoy the perfect music experience.LED colorful blinking design, pretty color lights follow rhythm of music on both sides of headphone. Best work on Gaming/ work/ school/ travel/plane.comfortable ear muff for listeningadjustable headband, foldable design for carrying36 hour long batterysupports TF card, 3.5mm audio cable, when battery runs out, 3.5mm cable can serve as wired connectionadvanced Bluetooth 5.0 versionheadphone specificationdrive unit: 40mmsensitivity: 105 dB±3dBimpedance: 32 Ω±15%frequency response: 20Hz- 20KHzbluetooth distance: 10mplay time; 36hstandby time; 360hcharging time: 2-3Hcharging port: micro USB1x B39 wireless headphone1x charging cable1x 3.5mm audio cablethis B39 over ear wireless headphone design with round loop lighting up, lighting seven colors, red/blue/green and so on. the colorful lights change along with the rhythm of music on both sides of Bluetooth head phone, listening to music is more Dynamic and Unique.powerful 40mm speaker and Bluetooth 5.0 technology provide more stable transmission speed, intelligently and quickly connects Bluetooth, 360 degrees surround stereo sound quality, making hearing more enjoyableyou can choose to turn off the LED blinking lights for longer battery life, can be connected wired or wireless, powerful and compatible with most phones android and iOS