From EarCentric, great affordable amplifier with great customer services. EarCentric EasyCharge rechargeable Behind-the-Ear Beige kit (2pc) contains a powerful multi-channel digital core, backed by the EarCentric money-back guarantee and on-demand customer care. EasyCharge rechargeable comes with a dual-port magnetic charging set, multiple tubes, variety ear dome packs, and cleaning kit. Simple rechargeability, simple adjustment. Advanced sound processor: With 2 Environment Optimization Settings. [1] All Around, [2] Outdoor. 30-day moneyback guarantee and a 1-year warranty. Free technical support from our highly trained Customer Care team, available 24/7, year-round.