ES100 MK2 Bluetooth Receiver (+HE100 Earphones for free!) – Earstudio
EarStudio ES100-24bit Portable High-Resolution Bluetooth Receiver/USB – The Gadget Collective
QUICK TAKE: Small Wonder! – the amazing Radsone ES100 EarStudio Bluetooth Receiver – Steve's Audio Blog
Earstudio ES100 MKII - Bluetooth Receiver Extends My EQ — Audiophile Heaven
Receptor Bluetooth de alta resolução portátil EarStudio ES100 MK2-24bit DAC/Amplificador de fone de ouvido com LDAC, aptX HD, aptX, AAC (3,5 mm desequilibrado e saída equilibrada de 2,5 mm) : Amazon.com.br: Eletrônicos