Product 1: Bluetooth 3.0 stereo headset brings you four-way intercom conversations with a 900-meter range.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear | Product 1: The Sena SPH10 does not have and will not have the custom software required to work with the Harley Davidson Boom Box. | Product 1: Versatile Jog Dial and large buttons on the boom mic make it easy to control all the functions.Do not clean the product with cleaning solvents,toxic chemicals,or strong detergents as this may damage the product | Product 1: Advanced Noise Control technology detects and cuts out background noise | Product 2: A STABLE, SECURE FIT - Stays put while you’re playing | Product 2: GOOD TO GO UNDER ANY CONDITIONS - Impervious to water, sweat, and thinking twice | Product 2: SHARE, TALK, AND HAVE FUN - Share music, Make calls, Talk over intercom, 900-meter (980 yards) range in open terrain | Product 2: COMPATIBILITY BETWEEN FRIENDS - Thanks to Universal Intercom protocol

Attenuation 25Db | Advanced noise control | Four-way intercom | Universal intercom | 1.4K intercom

Bluetooth v4.0 Class 1 | Working distance (In an open field): Normally 300 meters, up to 600 meters using 5 dipole antenna | Supports Bluetooth DUN, FAX, SPP, HID, FTP, OPP, SDP, HCRP, LAN, OBEX FTP, OBEX OPP, OBEX BIP, BIP, AVRCP, A2DP, HSP, HFP, PAN, BPP, Headset, AVCTP, AVDTP, HDP, Find Me, Proximity, Health Thermometer, Heart Rate, HID OVER GATT profiles | Comes with Bluesoleil driver | 1 year Limited Warranty

Bluetooth 4.0, USB 2.0, supports up to 7 simultaneous connections | Supports Bluetooth DUN, FAX, SPP, HID, FTP, OPP, SDP, HCRP, LAN, OBEX FTP, OBEX OPP, OBEX BIP, BIP, AVRCP, A2DP, HSP, HFP, PAN, BPP, Headset, AVCTP, AVDTP, HDP, Find Me, Proximity, Health Thermometer, Heart Rate, HID OVER GATT profiles | Easy to use Windows configuration tool available | Bluetooth driver needed (Bluesoleil driver) | Working distance (In an open field): Normally 300 meters, up to 600 meters using 5 dipole antenna

Bluetooth 3.0 intercom range up to 980 yards | Up to 12 hours talk time, 10 days stand-by time | Water resistant for use in inclement weather | Four-way conference intercom capability | Includes extra boom mic (Helmets & Muffs sold separately)