1. Product Name:EARPHONES
2. Material: earplugs / earmuffs: silicone
3. Size: Headphone head diameter 12*25mm Length 64cm Central control size: 58*12*8mm
4. Color: Black
5. Frequency response: 2.4GHZ-2.480GHZ
6. Distortion rate 0.1 (%)
7. Speaker specifications: 2×16Ω 20MW Φ10mm
8. Frequency response range: 20Hz-20KHz
9. Sensitivity: ≥100db±2db
10. Signal to noise ratio: ≥80Db emission
11. Receiving frequency: 2.4—2.48GHz
12. Bluetooth: 4.1
13. Features: 10m transmission, magnetic head, easy to wear, stereo, high fidelity sound quality