The small and lightweight C300 impresses with crystal-clear sound on full-duplex hands-free calls thanks to a powerful 3-watt loudspeaker and a 6-way beamforming microphone array. Its integrated USBchargeable long-life 5,200 mAh battery provides up to 24 hours of talk time and 5 days of stand-by operation and can also be used to charge any smartphone.
