Product information:
Line length: none
With Microphone: Yes
Wireless Type: Bluetooth
Brand Name: AEC
Connector: none
Waterproof: No
Active NoiseCancellation: Yes
Memory Card Support: No
Volume Control: Yes
Frequency response range: 20-20000Hz
Resistance: 25 ohms
Principles of Vocalism: Hybrid Technology
Model: BQ618
Sensitivity: 110±5dB
Style: headwear
Support APP: No
Control buttons: yes
Bluetooth version: V4.1 + EDR
Supported profiles: HFP, A2DP, AVRCP
Aptx Support: No
Product parameters:
Speaker size: 30mm
Output power: 32 ohms 45mW
Frequency Response: 200Hz-2000Hz
Sensitivity: 120db±3db
Signal-to-noise ratio: ≥90DB
Distortion: 0.5%
Bluetooth standard: Bluetooth 4.1+EDR
Supported protocols: HFP, A2DP, AVRCP
Support 3.5mm audio input
Power supply: built-in lithium battery 190mAh
When charging: 3 hours (please extend the charging time for each charge)
Effective distance: 10 meters
Working hours: more than 10 hours
Standby time: 250 hours
Charging interface: Micro USB
 

Features:
Smart bluetooth, wireless HIFI
Suspended micro HIFI sound effect

Packing list:
Headphone + charging cable*1