Fineblue F980 Clip-on 4.0 Headphones Cable Retractable Earphone Stereo Headsets Vibration Alert Hands-free w/ Microphone Multi-point Connection

: ,Model: F980 , Version: .0 ,Support Protocol: HSP, HFP, A2DP, AVRCP ,Transmission Distance: 10 meters (in open air) ,Frequency Response: 20Hz-20KHz ,Sensitivity: 88dBm ,Impedance: 16ohm ,Battery Capacity: 90mAh ,Talking time: about 6 hours , Time: about 5 hours (depends on ) ,Standby Time: about 90 hours ,Charging Time: about 2 hours       ,Color: Black, White, Gold, Silver (Optional) ,Main Item Size: Approx. 5.5 * 2.7 * 1.7cm / 2.16 * 1.06 * 0.67in ,Main Item Weight: 20g / 0.72oz ,Package Size: 9.2 * 9.0 * 3.7cm / 3.62 * 3.54 * 1.45in ,Package Weight: 63g / 2.25oz , , Package List,1 * Clip-on Headphone,1 * USB Cable,1 * Pair of Earcap,1 * User Manual (English / Chinese)