Sena Technologies has released its Bluetooth stereo headset and intercom designed especially for half-helmets, the SPH10H. The SPH10H features the latest Bluetooth 3.0 technology and allows riders to wirelessly make mobile calls and listen to music or GPS audio instruction. Riders can also effortlessly hold conversations with other motorcyclists or passengers via the SPH10H’s four-way Bluetooth intercom system. The ear flap design of the SPH10H yields a wide range of usage with half-helmets for motorcyclists or for other outdoor activities. The durable SPH10H is sweat and water-resistant and has a battery life of 10 hours, with seven days of stand-by time. It retails at $219.