COMPATIBLE MODEL: 2 way radio earpiece is compatible for Radio SL1K, SL2K, SL1M, SL2M, SL300, SL500, SL500e, SL1600, SL2600, SL3500e, for WAVE TLK100 SL7000 or SL7000e Series: SL7550, SL7580, SL7590, SL7550e, SL7580e, SL7590e SL4000, SL4010, SL4000e, SL4010e, SL8050, SL8550, SL8550e and other.
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