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Good news for those who are living in Japan. Sony has announced its MDR-DS7100 7.1 channel wireless headphones that feature a 50mm driver unit. These headphones are compatible with Dolby Digital, Dolby Digital EX, DTS and DTS-ES. The Sony MDR-DS7100 comes with a battery that provides up to 13-hours of operating time, which is enough for daily use in the home or office. You can now pre-order the Sony MDR-DS7100 Wireless headphones for 39,000 Yen or equal to $422. [Product Page][Source]
