This product is brand new, unused, and unopened. Product Weight (body only): (approx.) 18g Product Size: Remote Control Section: (approx.) Depth 6.9 x Width 10.3 x Height 50.3mm Earphone Section (one ear): (approx.) Depth 22.6 x Width 20.0 x Height 20.0mm Cable Length: (approx.) 50cm Product Specifications: [Communication Method] Bluetooth ver4.1+EDR [Class] class2, Connection Distance 10m [Frequency] 2.4GHz band (2.2000GHz-2.4835GHz) [Profiles] HFP/HSP/A2DP/AVRCP [Codecs] SBC/AAC [Multi-pairing] Supported [Multi-point] Supported [Driver Unit] Dynamic type [Maximum Continuous Operation Time] (Playback) 4 hours / (Call) 4.5 hours [Maximum Continuous Standby Time] Approximately 160 hours [Impedance] 16Ω [Sound Pressure Level] 42±3dB [Frequency Band] 20GHz～18kGHz [Input Terminal] microUSB [Input Power] 5.0V/500mA [Battery Capacity] 3.7V/80mAh