Audio-Technica ATH-M50X Professional Studio Headphones (Gray) Portable Headphone Amp Bundle Includes Headphones, Amplifier, Keychain Power Bank, Bag, Splitter 32GB MicroSD High-Speed Memory Card Audio-Technica ATH-M50xMG Limited Edition Professional Studio Monitor Headphones (Matte Gray) FiiO A1 Portable Headphone Amplifier (Silver) 2600mAh Portable Keychain Power Bank (Blue) Compact Deluxe Gadget Bag, Speaker and Headphone Splitter 32GB microSDHC UHS-I 633X High-Performance Memory Card w/ USB 3.0 Reader