User Manual
Stereo Wireless ANC Headphones
BTHS-AS90
Product Overview ·······················································································································································································1
Product specication ·················································································································································································1
Basic Operation ····························································································································································································1
LED indicator ·································································································································································································2
Activate noise cancellation (ANC) ·························································································································································2
Connect to a Bluetooth device ·······························································································································································3
Reconnect to Bluetooth device ······························································································································································3
One-touch connection (NFC) ·································································································································································· 3
Using as a wired headphone ···································································································································································4
Charging ·········································································································································································································4
Clear the headphones pairing history ················································································································································· 5
Troubleshooting ··························································································································································································5
Product Overview
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ANC
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Product specication
• Bluetooth version: V4.1
• Support proles: HFP, HSP, A2DP, AVRCP
• Supported audio format(s): SBC, FastStream
• Driver diameter: 40mm
• Impedance: 32ohm
• Frequency response: 20Hz-20KHz
• Eective range: Line of sight approx. 30 ft (10 m)
• Working time: Up to 35 hours music time
• Charging time: approx. 2 hours
• Ear pads inner diameter: 6cm (length)* 3.7cm(width)
• Ear pads outer diameter: 9.5cm (length)* 7.5cm(width)
• Product weight: 230g
Please read this User Guide carefully and keep it handy
For more AS90 product information please see support.avantree.com or search “AS90”
or “Avantree Aria” on www.avantree.com
Basic Operation
General function
Power On Slide the power switch towards middle
Power O Slide the power switch towards
Activate/ deactivate smart voice assistant Press once (wireless connected, non-calling status)
Voice prompts o / on
Press and hold both and for 1s to deactivate voice
prompts
1