VCAN0154 wireless IR headphone with high frequency range headphone

VCAN0154 wireless IR headphone with high frequency range headphone 
Selling Points: 

System: UHF/RF
Carrier frequency:  a) For Europe: 863,  865MHz
                                 b) For US: 915,917 MHz
Modulation: FM
Mode: stereo
S/N ratio: ≥75dB
Distortion: <1%

high frequency range headphones 50meters(360°)

Paking details:

Product Name: VCAN0154 Size per carton: 53*27*41(cm) Single weight: 0.4 (kgs) Quantity per carton: 30 (pcs) Weight per carton: 10.7(kgs) Single size: 14*14*10(cm)