Trust Primo 21665 headphones (black)

Weight and dimensions Product weight: 75 g System requirements Windows operating systems supported: Yes Mac compatible: Yes Efficiency Cable length: 1.8 m Product color: Black Application: Calls/Music Product type: Headset Plug & Play Support: Yes Headset type: Stereo Control type: On the wire Control Type: Buttons Wearing style: In-ear Packaging data Packaging type: Box Package height: 250 mm Package depth: 55 mm Weight with packaging: 162 g Package contents Quantity: 1 Audio adapters included: 3ˌ5 mm Ports and interfaces Connection method: Wired 3.5mm connector: Yes Other functions User Manual: Yes Logistics data Harmonized System (HS) code: 8518300090 Microphone Microphone frequency: 30 – 16000 Hz Microphone impedance: 22000 Ω Microphone type: Boom Microphone sensitivity: -60 dB Safety warning Warnings Please read the instruction manual before use. This product contains batteries that should be disposed of properly. Do not disassemble or modify the product yourself. Headphones Impedance: 32 Ω Headphone sensitivity: 89 dB Frequency response: 70 – 20000 Hz Acoustic system: Semi-closed