Sony WH-CH720 Wireless Over-Ear Noise-Canceling Headphones Garansi Resmi 1 Tahun Sony Indonesia Headphone Type : Closed Driver Unit : Dynamic, 30 mm Wearing Style : Over Ear Frequency Response : 7 Hz - 20 000 Hz (JEITA) Cord Length : approx. 1.2 m Cord type : Single-sided (detachable) Plug : Gold-plated L-shaped stereo mini plug DSEE : Yes Ambient Sound Mode : Yes General Features (Active Headphones) : Yes Sensitivity (dB/mW) : 108 dB/mW Frequency Response (Bluetooth® Communication) : Frequency Range(A2DP): 20 Hz - 20 000 Hz (Sampling frequency 44.1 kHz) Battery Battery Charge Method : USB BATTERY LIFE (CONTINUOUS COMMUNICATION TIME) : Max. 35 hours (NC ON), Max. 40 hours (NC OFF) General Features(Active Headphones) : Max. 35 hours (NC ON), Max. 50 hours (NC OFF) Bluetooth® version : BLUETOOTH Specification Version 5.2 Effective Range : Approx. 10 m (30 ft) FREQUENCY RANGE : 2.4 GHz band (2.400 0 GHz - 2.483 5 GHz) Profile : A2DP, AVRCP, HFP, HSP Supported Audio Format(s) : SBC, AAC Supported Content Protection : SCMS-T Noise Canceling Ambient Sound Mode : Yes