Headphone 耳筒 / Sony / DRC-BTN40K

Bluetooth Stereo Headset


The DRC-BTN40K supports NFC connections for easy access to smartphone connections.


Type Closed, Dynamic
Driver Unit Approx. 9mm
Frequency Response 5-24,000 Hz
Power Source / Battery Type Built-in Lithium ion Rechargeable Battery
Battery Life Approx. 8hrs (Continuous music playback time), Approx. 8hrs (Continuous communication time), Approx. 340hrs (Waiting time)
Battery Charging Time Approx. 2.5 Hours
Weight (Without Cord) Approx. 20 g
Supplied Accessories Hybrid silicone earbuds* (Sx2,Mx2, Lx2), Operating Instructions x 2
Communication System Bluetooth™ Specification Version 3.0
Output Bluetooth™ Power Class 2
Maximum Communication Range Line of sight approx. 10m
Frequency Band 2.4GHz band(2.4000GHz-2.4835GHz)
Compatible Profiles A2DP, AVRCP, HFP, HSP
Supported Codecs SBC, AAC
Transmission Range 20Hz - 20,000Hz
Unit/Type Electret condenser
Directivity Omni directional
Frequency Range 100 Hz – 4,000 Hz