EDIFIER W860NB Manual page 5

Red light is o during charging.
• Please ensure the charging device is correctly connected with the headphone.
• When the headphone is not used for long periods of time, the battery will
enter sleep state, it needs to charge about 30 minutes and then the red light
will be lit.
No sound
• Check if the headphone is operating.
• Check if the headphone volume is at an appropriate level.
• Check if the headphone is correctly connected with mobile phone.
• Check if the headphone is operating within a normal working range.
Call e ect of the headphone is bad.
• Check if mobile phone is in an area with strong signal.
• Please ensure the headphone is within effective distance (10m) and no
obstacle between the headphone and mobile phone.
When playing music, cannot control pause/play/previous track/next track
via headphone.
• Please ensure the paired device support AVRCP (Audio/Video Remote Control
Profile) profile.
■ Maintenance
During using, please read the following suggestions carefully.
• Keep the product away from humid places to avoid affecting internal circuit.
Do not use the product during intense exercise or with much sweat to prevent
sweat from dropping into the product to make damage.
• Do not put the product in places exposed to sun or with high temperature.
High temperature will shorten service life of electronic components, damage
battery and deform plastic components.
• Do not put the product in cold places to avoid damaging internal circuit board.
• Do not dismantle the product. Non-professional personnel may damage the
product.
• Do not drop, strongly vibrate, strike the product with hard object to avoid
damaging internal circuit.
• Do not use drastic chemicals or cleaner to clean the product.
• Do not use sharp objects to scratch product surface to avoid damaging shell
and affecting looking.
If the product cannot operate properly, please send it to your qualified
maintenance agency.