OEM Motorola 3 Sizes Replacement Earbuds Tips Ear Gels Bud Cushions and 2 Ear Hooks for Hx550 Hz720 H19txt H17txt H17 H525 Includes 1 on-ear hook, 1 in-ear hook, 2 in-ear gels Provides hours of comfortable wear. Helps provide clearer calls, less external noise Headset not included Compatible Hx550 Hz720 H19txt H17txt H17 H525