1- Only offer Sealed package, everything is authentic and brand new ;2- Chinese language, if you want flash to EN, contact us in Qpost ; 3- Xiaomi have installed useful apps inside, watching free. 
Feature:
100% Original Xiaomi TV Box 3S / Pro
MT8693 2-core Cortex-A72 + 4-core Cortex-A53 64 2.0GHz 2GB LPDDR3 RAM, 8GB eMMC5.0 ROM
H.265 10bit 4k@60 frames with powerful decoding
Support popular interface:USB 2.0,HDMI 2.0
Support Ultra HD resolution, 4K 3840 x 2160
Support 802.11a / b / g / n / ac WiFi 2.4Ghz/5Ghz,very fast,more stable and smooth
Slim but powerful,100 x 100 x 25 mm
Output resolution : 4K (3840 X 2160)
Support DTS 2.0+Digital Out, Dolby Digital Plus
GPU: Power VR GX6250
Support Miracast, Airplay, DLNA, SMB and WiDi function
100 ~ 240V 50 / 60Hz input 12V, 1.2A output
Bluetooth 4.1+ EDR (enhanced data rate)
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