Brand Name: OPENHEART
Style: Ear Hook
Vocalism Principle: Dynamic
Origin: CN(Origin)
Control Button: Yes
Active Noise-Cancellation: No
Communication: Wireless
Volume Control: Yes
Sensitivity: 98dB
Wireless Type: Bluetooth
Is wireless: Yes
Number Of Drivers: 2
Plug Type: None
Impedance Range: up to 32 Ω
Connectors: USB
Model Number: S21
Headphone Pads Material: Soft Foam
Bluetooth Version: 5.0
Support Memory Card: No
Resistance: 16Ω
Frequency Response Range: 20 - 20000Hz
With Microphone: Yes
Features: With Microphone
Features: Dual Connection
Charging Method: CABLE
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