Wireless tv headphones

brand new item open box. Model:ADH300, Type:Headphones (Headband) General Use:Computer, Mobile Phone, Media Player/ Tablet, Function:Monitoring, Hi-Fi, Noise-Cancelling, Sports, Gaming, FM Radio, Volume Control, DJ, With Microphone, Communication:Wired, Connectors:6.3mm 3.5mm, Memory Capacity:None, Material:Aluminium Plastic, Metal, Genuine Leather, Polycarbonate Weight (kg):0.71, Speaker Sensitivity:105dB Speaker Impendance:24, Speaker Frequency Response:25Hz-20kHz, Cable Length:30m, Driver Type:Moving coil, Sound Channel:2.0, Input Voltage (V):3.7V, Frequency:25Hz-20kHz, Operating Range:30m Standby Time:300, Talk Time:120, Charge Time:5 Compatibility:Compatible with all 3.5 plug devices Features & details High energy drivers deliver powerful bass & clear treble Pressure-relieving earpads for long-wear comfort experience. Noise Blackout with dual microphone technology promotes optimal call quality. On-ear wireless Bluetooth stereo headset with built-in mic