The Apollo 7S is redesigned based on the popular Apollo 7. Free yourself from wires with one of the world's most compact true wireless earphones - now with ERATOSURROUND, a 3D surround sound experience. The Apollo 7S uses the most advanced wireless technology available from CSR to deliver spectacular listening experiences. ERATOSURROUND, a 3D Surround Experience. Apollo 7S, now with our patented ERATOSURROUND 3D surround sound technology, is compatible with AptX, AAC, and SBC codecs for a wire-free listening experience you'll never want to leave behind. Emerge yourself in music - and experience it the way it's meant to be heard. Microphone - Check. The Apollo 7S earphone uses the latest Bluetooth technology from CSR and is a certified aptX product. It features a built-inomnidirectionall microphone that works with Siri and Google Now and makes it easy to take calls on the go. Listen up to Nine Hours. The Apollo 7S earphones are rated for three hours of play time and four hours of talk time. The innovative aluminum battery case can charge each pair of earphones twice, giving you up to nine hours of wireless music playback.... More