1. Motorcycle Helmets,FreedConn Flip up Dual Visors Full Face Helmet with Built-in Bluetooth Intercom Communication System(Range 500M,2-3Riders Pairing,FM radio,Voice Dial,Waterproof,XL,Matte Black) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
[Powerful Communication Capabilities] Built-in bluetooth intercom function,keep you in touch with up to 2 of your buddies and up to 500m(546 yards) away,make your communication more convenient[Universal Bluetooth Connectivity] Bluetooth 3.0,keep you connected with cellphone, music player and GPS system via bluetooth easily and stably

2. Helmet Communication Systems,FreedConn TCOM-SC Motorcycle Helmet Bluetooth Headset Intercom for Motorbike Skiing (LCD Screen/FM Radio/Handsfree/Range-800M/2-3Riders Pairing/Black/Pack of 2) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Support high speed up to 120km/h(75mph) and maximum of 800m(875 yards) distance,3 riders pairing and 2 riders intercom at the same time,provide efficient and convenient communicationsBluetooth 3.0 keep you connected to your phone,play music and connected with bluetooth GPS system easily and stably

3. Veetop 2 x 800m Water Resistant Bluetooth Motorcycle Motorbike Helmet Intercom Interphone Headset for 2 or 3 riders and 2.5mm Audio for Walkie Talkie MP3 player GPS - Hands Free & FM radio (2Pack) (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
★Bluetooth intercom for 2-3 riders: 800m intercom distance enable you can talk with your 2 or 3 r partners freely. (but only 2 riders intercom at the same time)★Warkie Talkie Connection: Built-in 2.5mm audio socket, you can connect to your Walkie Talkie with a suitable cable (the walkie-talkie and the cable is NOT provided) , now you can talk with 4 or more rider mates who also have walkie talkie, the voice will be transferred via earpiece and micro phone of Bluetooth motorcycle helmet intercom. (For the rider quantity supported, it depends on the walkie talkie itself)

4. Torc T14B Bluetooth Integrated Mako Full Face Helmet with Flag Graphic (Flat Black, Large) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Bluetooth Integrated ShellDual Density EPS with Intermediate Oval Profile

5. Motorcycle Helmet Bluetooth Headset, Wireless Helmet Communication Systems for Motorbike and Skiing (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
High quality: With CSR Bluetooth 4.0 technology, keeps you connected to your phone, play music and connected with Bluetooth GPS system easily and stably, support high speed up to 120km/h(75mph)，provide efficient and convenient communications in the riding.Easy to install and operate, unlike other complex helmet headsets, this one is just as a mormal bluetooth headset.