Content: iDOO Bluetooth Over-ear Headphones NFC Wired + Wireless Stereo Bluetooth 4.0 Headphones with Built-in Microphone, Black & Red(on sale after coupon for $35.70($50.99-$15.29 with promotion code DMKF7AWJ =35.70) Shipping is free with Prime or Super Saver Shipping on orders over $35.

Features:
Can be used both wired (via the 3.5mm audio cable) and wirelessly(via Bluetooth 4.0 EDR).
Up to 20 Hours of Music playing &taking time,standby time more than 250 hours.
Special speaker transmits high fidelity & powerful bass and detailed wireless sound to your ears.
Advanced microphone system for clear calls in windy or noisy environments.
Built in microphone for heaAdvanced microphone system for clear calls in windy or noisy environments.dset functionality with controls for media and phone calls.
Apply Promotion Code: DMKF7AWJ at checkout.
NOTE: Shipping is free with Prime or Super Saver Shipping on orders over $35