Street Address: RM601, LiJing Building, HongLing Zhong Road, LuoHu District
City: Shenzhen
Province: Guangdong
Country/Region: China
Model NO.:WL-8387 IR wireless headphone Light weight headset for comfortable wearing. Automatic muting design on receiving headphone. FM system carrier frequency:2.8MHz right channel; 2.3MHz left channel . Speaker: 40mm mylar. cone Impedance: 32 ohms +/- 15%. Effective range (maximum): about 10 meters. Power source: batteries UM4 x 2 (optional). Battery life: about 48 hours.