AUGLAMOUR J300 Black In-ear headphones with remote microphone Used about 5 times after purchase. From the product page: ■ Driver unit with composite diaphragm ■ Detachable earphone cable with remote microphone ■ Housing made of zinc-magnesium alloy Headphones Type: - Driver unit: φ10mm composite diaphragm (titanium coating) dynamic driver Sensitivity: 102dB/mW Magnet: - Frequency response: 15Hz〜40000Hz Impedance: 16Ω Maximum input: 10mW Cord length: 1.2m Cord type: Detachable (CIEM 2Pin 0.78mm) copper cable Input plug: 3.5mm gold-plated stereo mini Noise canceling function: - High-resolution audio playback support: - Bluetooth: - Dimensions: Width - × Height - × Depth - mm Weight: Approximately 30g Accessories: Silicone ear tips 3 sizes (S/M/L) x 1 pair each Cable clip x1 Earphone case x1 Retail price: Around 6,600 yen