GeekerMart · 極客谷 Philips SHB5250BK Bluetooth Wireless Headphone (Black) Technical details: Sound Acoustic system: Open Sensitivity: 107 dB Frequency response: 8 - 24 000 Hz Impedance: 32 ohm Maximum power input: 30 Product #: geekermart-Philips SHB5250BK Bluetooth Wireless Headphone (Black) Regular price: $HKD$209.0 Available from: GeekerMart · 極客谷In stock