MEElectronics Air-Fi Metro2 AF72

Type: wireless; Design: ear; Type emitters: dynamic; Speaker diameter: 5.5 ;mm; Frequency range: 10 – 20000 ;Hz; Microphone: +; Adjusting the volume: +; Connectivity options: Bluetooth / version 4.0 / ; Battery type: battery / Li-Pol / ; ...

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Table of characteristics

Colorblack
Typewireless
Characteristics headphone 
Designear
Type emittersdynamic
Speaker diameter5.5 mm
Frequency range10 – 20000 Hz
Microphone+
Adjusting the volume+
Connection 
Connectivity optionsBluetooth / version 4.0 /
Battery typebattery / Li-Pol /