Trust 210 MULTI FUNCTION HEADSET, Wired, 70 - 16000 Hz, Calls/Music, 7.05 oz (200 g), Headset Trust 210 MULTI FUNCTION HEADSET. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 70 - 16000 Hz. Weight: 7.05 oz (200 g)