Key features Design Headset type Binaural wearing style In-ear Product color Black, White Volume control Digital power Connectivity technology Wired operation key Multi-key Brand compatibility Nokia Ports and interfaces Interface 3.5 mm (1/8") cable length 1.17 m Headset connectors supports 3.5mm Nokia connection contacts plating gold headphone position headphone speaker in-ear headphone frequency 60 - 20000 Hz impedance 32 ohm driver unit 1.2cm driver type dynamic acoustic system closed headphone connectivity 3.5mm microphone cartridge 6mm operating conditions operating temperature range 15-55°C power rechargeable not weight & Dimensions Width 10.5mm Depth 10.5mm Height 56mm Dimensions (WxDxH) 10.5 x 10.5 x 56mm Weight 14g Packaging Information AC Power Adapter Not Neck Strap Not Carrying Case Not Earmuffs Yes Other Specifications Material Plastic Compatibility Phone Microphone Input Yes Bluetooth Not