Segun thewirecutter.com, luego de investigar por mas de 10 horas y luego de consultar a un panel de expertos, recomiendan al audifono Anker Soundbuds Sport IE20 coomo el mejor audifono bluetooth para colocar en el canal auditivo. No son perfectos, pero si busca algo muy economico este producto le va a satisfacer.  Ademas, Anker ofrece una politica de devolucion de 30 dias por cualquier motivo.

Anker SoundBuds Sport IE20 In-Ear Bluetooth Earbuds, Smart Magnetic Wireless Headphones with aptx, CVC 6.0 Noise Cancellation, 8-Hour Playtime, Bluetooth 4.1 Headset with Mic, iPhone 7 Compatible

Caracteristicas (en ingles)

• High-Fidelity Sound: Enjoy crisp, rich music with aptX lossless sound and Bluetooth 4.1 technologies. CVC 6.0 noise cancellation almost eliminates background noise to ensure high-quality audio when making calls.
• Smart-Magnet Control: Gives you convenient and powerful control to pair with your device, play or pause music, and take calls by simply connecting or separating the earbuds.
• Comfortable Fit: Includes four sizes of eartips and three sizes of In-Ear Hooks to ensure a relaxed but secure fit for you. Comfortable, tangle-free neckband design.
• Incredible Playtime: 8-hour playtime on a 1.5-hour charge, allowing you to enjoy music on-the-go all week. (playtime varies according to volume level and audio content).
• What You Get: Anker SoundBuds Sport IE20 Bluetooth Headphones, Micro USB charging cable, noise-isolating EarTips (S / M / L / XL), semi-open EarTips (S / M), 3 pairs In-Ear Hooks, FitClip, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service.