2. Support TF Card Play & FM Radio Function: The Headphone Has A TF Card Slot, You Can Insert A Micro-SD Card With Songs To Play Music; Has FM Radio Function, Allowing You To Listen To Radio Anywhere, Anytime ( Note: FM Radio May Can't Work In Some Foreign Countries ) .
3. High Fidelity Stereo Sound Effect: 40mm Ultra-large dynamic alloy speaker drivers, Tuned By Professtional Team, High Fidelity Stereo Surround Sound, enjoy the Wireless high quality music.
4. Smart Handsfree Talking: Built-in Concealed High Definition Sensitive Microphone, The Headphone Itself Has A Answer Incoming Phone Calls' Button To Pick Up Phone Call, Wireless Handsfree Talking.
5. Superior Noise Cancelling Performance: Acoustic echo cancellation and noise reduction effectively reduce ambient noise while talking, make far-end listener cannot hear what you said become history, just like talking face to face.
6. Foldable Design & Comfortable Wearing Experience: Foldable Design, The Headphone Is Super Lightweight, Based On Ergonomic Design, Headphone Made of Green Leather, Providing You Comfortable Wearing-on Experience.
• Product Name: MX666 bluetooth Headphones Headset
• Bluetooth Version: bluetooth V4.1
• Battery Capacity: 300mAh
• Operating Scope: Up To 10 Meters
• Speaker Drive Unit: 40mm Alloy Speaker Drive Unit
• Impedance: 32Ω
• Frequency: 20Hz ~ 20KHz
• Microphone: Omnidirectional HD Microphone
• Distortion: ≤ 0.1%
• Music Play Time: About 4-6 Hours
• Talking Time: About 8-10 Hours
• FM broadcasting station
• TF card function
• Size:172*185*90mm
• Micro-phone calling/answering phone-call/ With the end number redial function
• Compatibility: For Mobile Phone, Tablet, PC, Notebook, MP3,MP4 etc