Edifier W570bt Wireless Bluetooth Noise Canceling On-Ear Hifi Bluetooth 4.0 Headset With Microphone

Features: High performance Neodymium drivers with an ultra diaphragm produce strong bass and a full audio experience Bluetooth V4.0 makes high-performance audio processing, and low latency Ultra light weight headphone (89g) 10 hours of play back, and works within 10 meterof distance Build-in high sensitivity Omni-directional Microphone for pickup 360-degree sound source Soft leather for long comfort use Easy to use function keys Frequency response: 20-20KHz Sound pressure level (SPL): 106dB Impedance: 32ohm Driver unit: 30mm Package Included: 1 x EDIFIER W570BT Bluetooth Headset 1 x USB Cable