Fanstereo Studio43 on-ear high quality headphones with a premium leather made headband as well as ear cups which feel extremely soft not only when touching but when they rest on your ears. Feature wireless Bluetooth 4.1 connection, High-Definition HPA technology, Built-in microphone, Hands free calling, Sweat proof technology, Intelligent voice commands, Numerous controls on right ear cup, Built-in indicator light, Compatible with all Bluetooth devices, Frequency response: 20 to 20 kHz, Drivers: 40mm, Impedance: 32 ohms, Battery: 250 mAh, Weight: 162g, Charge time: 1-2 hours, Playing time: approx 13 hours, Micro USB charging port with included charging cable. This model shows off a voice interactive capability allowing you to stay engaged and handsfree. Optimized sound isolation speakers will keep what you want to hear inside and all other distractions outside. Gear up with one of the most stylish high quality on-ear headphone for an unbelievable price.