RGB Light Bluetooth 5.0 Wireless Headphone HiFi Stereo AUX FM TF Music Gaming Headset - Black Features: Bluetooth EDR colourful light headphones, RGB seven-colour gradient halo, omnidirectional equal-light colourful effect High precision 50mm driver, brings you vivid sound field, sound clarity, sound shock feeling, capable of various games. Splendid ambient noise isolation effect Bluetooth 5.0 HIFI stereo surround sound, 40mm aperture speaker coil, bringing super clear medium and high-frequency music Work mode: Bluetooth + AUX + TF card + FM radio 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth Earmuffs used with skin-friendly leather material, and super soft over-ear pads are more comfortable for long-time wear Specifications: Brand: FINGERTIME Bluetooth Version: V5.0 Effective Range: 10-15M Frequency: 2.40GHz-2.48GHz Speaker size: 40mm Power: ≤ 4dBm Sensitivity: 108 +/- 3dB S/N rate: 85dB