Dolf Dl-05 Wireless Sports Neckband

Wireless Version:5.3 Product Material:Abs Speaker Diaphragm:Pet Call Sensitivity:42Db/+3Db Headphone Distortion:1K /5% Headphone Battery Capacity:200 Call Time:8 Hours Play Music:10 Hours Magnet Type:Ndfeb N40 Frequency Range:20Hz-20Khz Speaker Impedance:320 Charging Voltage:5V Connection Distance:10M Supporting Agreement:Hfp:Hsp.A2Dpavrcpopp.Pbap