Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3), Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
TV and Video:
AirPlay Mirroring, photos, audio, and video out to Apple TV (2nd generation or later)
Video mirroring and video out support: Up to 1080p through Lightning Digital AV Adapter and Lightning to VGA Adapter (adapters sold separately)
Video formats supported: H.264 video up to 4K, 30 frames per second, High Profile level 4.2 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio or Dolby Audio up to 1008 Kbps, 48kHz, stereo or multichannel audio, in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio or Dolby Audio up to 1008 Kbps, 48kHz, stereo or multichannel audio, in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Siri:
Use your voice to send messages, set reminders, and more
Get proactive suggestions
Use hands-free
Listen and identify songs
External Buttons and Connectors:
On/Off - Sleep/Wake Button
Ring/Silent Button
Volume Up/Down Button
Home Touch ID Sensor
Built-in Stereo Speaker
Built-in microphone
One (1) Lightning connector
Power and Battery:
Up to 2 hours longer battery life than iPhone 6s
Built-in rechargeable lithium-ion battery
Charging via USB to computer system or power adapter
Talk time (wireless): Up to 14 hours on 3G
Standby: Up to 10 days
Internet use: Up to 12 hours on 3G
Up to 12 hours on LTE
Up to 14 hours on Wi-Fi
Wireless video playback: Up to 13 hours
Wireless audio playback: Up to 40 hours
Sensors:
Touch ID fingerprint sensor
Barometer
Three-axis gyro
Accelerometer
Proximity sensor
Ambient light sensor
iOS 10:
AirDrop
AirPlay
AirPrint
Control Center
Handoff
HomeKit
iCloud
iCloud Keychain
Multitasking
Night Shift
Notification Center
Siri
Spotlight Search
SIM Card:
Nano-SIM card slot (not compatible with micro-SIM cards)
Rating for Hearing Aids:
M3, T4
Unit Dimensions:
5.44 x 2.64 x 0.28-inches (H x W x D)
Weight: 4.87 oz
Notes:
P/N: MN9H2LL/A
Model: A1778
May include 3rd party accessories
NOTE: Does not include Lightning to 3.5mm Headphone Jack Adapter” or Lightning earbuds
Product Requirements:
AT&T cellular plan
Compatible Nano-SIM card
Apple ID (required for some features) Internet access
Syncing with iTunes on a Mac or PC requires: Mac: OS X v10.9 or later