For DP series: for DP3400, DP3401, DP3600, DP3601, DP4400, DP4401, DP4600, DP4601, DP4800. For XiR series: for XiR P8200, XiR P8208, XiR P8260, XiR P8268, XiR P8620, XiR P8628. 1 /2/3 Handfree speaker microphone.
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