SONY / WI-C400 BZ Black

Battery lasts up to 20 hours. In addition to changing the cable length, the neckband is equipped with a cable management function that can store the earphones.

＜Headphone specifications＞
■ Model: Closed, dynamic
■ Driver unit: 9mm (CCAW voice coil adopted)
■ Magnet: Neodymium
■ Reproduction frequency band: 8 Hz-22,000 Hz
■ Weight: about 35 g
■ Power supply: DC 3.7V built-in rechargeable lithium-ion battery
■ Charging time: about 4.5 hours
■ Charging method: USB charging
Battery life (continuous audio playback time): Up to 20 hours
Battery life (continuous talk time): Up to 20 hours
Battery life (standby time): Up to 200 hours

＜Microphone specifications＞
■ Model: Electret condenser
■ Directivity: Omnidirectional
■ Effective frequency band: 50 Hz-8,000 Hz

＜Accessories＞
■ USB cable: About 50cm Micro USB cable
■ Earpiece: Hybrid earpiece SS, S, M, L (2 each)
■ Warranty: Yes
■ Instruction manual: Yes
■ Reference Guide: Available

＜Bluetooth＞
■ Communication method: Bluetooth standard Ver.4.2
■ Output: Bluetooth standard Power Class 2
■ Maximum communication distance: Line-of-sight distance about 10m
■ Frequency band used: 2.4 GHz band (2.4000 GHz-2.4835 GHz)
■ Modulation method: FHSS
■ Compatible Bluetooth profiles: A2DP (Advanced Audio Ditribution Profile), AVRCP (Audio Video Remote Control Profile), HFP (Hands-free Profile), HSP (Headset Profile)
■ Compatible codecs: SBC, AAC
■ Supported content protection: SCMS-T method
■ Transmission band (A2DP): 20Hz-20,000Hz (at 44.1kHz sampling)