GENERAL Headphone Type - On-the-ear (Circumaural), Open Back Headset Design - Over-the-head Wired/Wireless - Wired Magnet Type - Neodymium SOUND FEATURES Sensitive Microphone Adjustable Holder Padded ear pad for extra comfort Other Sound Features Noise Isolation Headphone Cushions, Soft Breathable Headband, Flat 2.2 m Anti - Tangle Cable, Deep and Dynamic Bass, Soft Foam Cushions, Acoustic system: Open, Voice coil: CCAW, Diaphragm: Mylar Dome NOISE-CANCELLING MIC Filters ambient noise Be heard loud and clear without the distraction of background noise.

Quantum Brand original packed USB Sound Card for external use

Ranz Wi-Fi Receiver 300Mbps, 2.4GHz, 802.11b/g/n USB 2.0 Wireless Mini Wi-Fi Network Adapter

We pride ourselves on creating smartphone powerhouses that pack high-capacity batteries without compromising on great design. It's a challenge that our designers and engineers take on every day. For Redmi 4, our team has gone beyond the extra mile to carefully plan the design, do in-depth battery research, and implement system-level optimizations to present a powerhouse that excels in both battery life and design. The 4100mAh powerhouse is able to run up to 18 days on standby mode and up to 2 days with heavy duty usage

2.5" HDD enclosure from Reenox features a tool-free

SAMSUNG Evo 32 GB MicroSDHC Class 10 48 MB/s Memory Card