Ultra light flexible in-ear headphones with 15mm neodymium drivers for a powerful and clear music experience. Durable construction for long life use. Supplied with integrated neck strap for portable MP3 players. • Frequency range: 20 - 20.000 Hz • Drivers: 15 mm • Power handling capacity: 10 mW • Impedance: 32 ohm • Sensitivity: 115 dB • Connection: 3.5 mm plug • Cable length: 1.1 m