Sony WH-CH400 User Manual

Help Guide
Wireless Stereo Headset
WH-CH400
Checking the remaining battery charge
You can check the remaining battery charge of the rechargeable battery.
When you turn on the headset, the indicator (blue) flashes two times, then the indicator (red) flashes.
The indicator (red) flashes according to the remaining battery charge as follows.
Flashes 3 times
- - - - : High
Flashes 2 times
- - : Medium
Flashes 1 time
: Low (needs to charge) “Battery level low”
When the battery is almost empty
The indicator turns red. When the battery becomes empty, the headset sounds a warning beep, you hear voice guidance
“Please recharge headset”, and the headset turns off automatically.
When you are using an iPhone or iPod touch
When the headset is connected to an iPhone or iPod touch (iOS) that supports HFP (Hands-free Profile ), it will show an
icon that indicates the remaining battery charge of the headset on the screen.
Usable devices
iPhone or iPod touch which supports HFP (Hands-free Profile) (iOS 5.0 or later)
iOS 10.2 or later
iOS 7.0 or later
iOS 5.X/6.X
A: Remaining battery charge of the headset
B: 100% to 70%
C: 70% to 50%
D: 50% to 20%
You also hear voice guidance only when the remaining battery charge is low.
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Sony WH-CH400 Specifications

General

Driver type	Dynamic
Driver unit	25 mm
Magnet type	Neodymium
Ear coupling	Supraaural
Headphone frequency	20 - 20000 Hz
Cables included	Micro-USB
Bluetooth	Yes
6.35 mm connector	No
Bluetooth version	4.2
Bluetooth profiles	A2DP, AVRCP, HFP
Connectivity technology	Wireless
Battery recharge time	4.5 h
Continuous audio playback time	20 h
Microphone direction type	Omnidirectional
Number of products included	1 pc(s)
Headset type	Binaural
Product type	Headset
Product color	Black
Wearing style	Head-band
Audio formats supported	AAC, SBC