Headphone Specification
LED Indicator Light
Pairing: Blue and red lights flash alternately
Paired: Blue light flashes
Playing:Blue light slowly flashes
Charging: Red light turns on
Full Charge: Red light turns off or Blue light turns
on
Batter y Low: Red light turns on with voice prompt
ANC ON: Green light turns on
ANC OFF: Green light turns off
Bluetooth OFF: Blue and red lights turn off
* Please kindly note that perhaps sometimes these
LED indicator light color will be mixed to become
other colors(pink ,purple,etc.) occasionally.
Technical Specification
·Product name: Srhythm NC25
•Batter y capacity: 1000mAh
•Input: 5V/1A
•Charging time: About 2 hours
•Use time: 50 hours
•Bluetooth version: V5.0
•Bluetooth profile: A2DP, AVRCP, HSP, HFP
•Bluetooth range: 10m/33ft
•Waterproof rating: IPX4
•Net weight: 180g
•Driver diameter : Φ40mm
•Frequency response: 20–20KHz
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•Chip: ATS3015
•Impedance: 32 Ω
Charging
Use the included Type-C charging cable to connect to
headphone Charging Port. Connect the other end of charging
cable to a computer USB port or USB wall charger under 6.3V
voltage.Turn off headphone Bluetooth and ANC function
before charging. Headphones can't be used during charging
for your safety. The LED indicator light will be off or blue color
when full of charge basing on headphone turn off status.
Start your mobile phone Bluetooth and find headphone
Bluetooth pairing name "Srhythm NC25" to click it to pair.(the
LED indicator light will be blue flashing slowly after pairing
successfully.)
Hold the Multi-function Button for 3-5 seconds to turn
headphone Bluetooth off.
If any issues, here tips for you:
1.Full charge your headphone with original USB-A to USB-
C charging cable (* not * USB-C to USB-C cable)and 5-10W
power wall charger (don't use fast charger)
2. Reset headphone by inserting audio cable into
headphone audio socket then removing it. Or the
upgraded NC25 headphones would be reset automatically
when charging.
Delete Pairing: Hold both "Volume Up" and "Volume
Down" buttons simutaneously for 5 seconds.
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