Audio-Technica ATH-SR30BT BK Bluetooth Wireless Headphones with Mic, Up to 70 Hours of Playback, Black

・40mm drivers deliver high-resolution sound despite their compact size. ・Acoustic resistors suppress unwanted low-frequency components, reproducing refined mid- and high-frequency sounds. ・Isolation design separates the acoustic and electrical spaces for clear sound. ・Around-ear design with a simple design for a comfortable fit. ・Up to 70 hours of wireless listening time, approximately one month without charging (based on approximately two hours of use per day). ・Lightweight body with swivel and folding mechanism for excellent portability. Technical Approval Certified (2.4GHz frequency band). Up to 70 hours of wireless listening time, approximately one month without charging. Lightweight body with swivel and folding mechanism for excellent portability. Around-ear design with a simple design for a comfortable fit. Isolation design separates the acoustic and electrical spaces for clear sound. 40mm drivers deliver high-resolution sound despite their compact size.