Bluetooth headset QCY Q11

Design: Liners
Description: Design: in-ear, device type: mono bluetooth headset, design features: microphone, functions: volume control
Additional Information: Range: 10 m; LED indicator: yes; DSP: yes Replaceable ear pads: yes; Work profile support: AVRCP,HFP Hands-free,A2DP,Headset
Functions: Volume control
Battery capacity: 55 mAh
Impedance: 16 ohm
Sensitivity: 103 dB
Design features: Microphone
Charging time: 2 h
Device type: Mono bluetooth headset
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Bluetooth version: 4.1
Membrane diameter: 9.2 mm
Wireless connection type: Bluetooth