X4 Bone Conduction Bluetooth EarphoneSpecifications: With Microphone: Yes Wireless Type: bluetooth Waterproof: Yes Volume Control: No Support Memory Card: No Style: Ear Hook Sensitivity: 42dB Resistance: 30 Model Number: X4 Magnet Type: Other Impedance Range: up to 32 Frequency Response Range: 20 20000Hz Earcups Type: Sealed Control Button: Yes Connectors: USB Charging Method: Cable Bluetooth Version: 5. 0 Battery: 150mah Noise Cancellation: No Package Content: 1 x User Manual 1 x

Onyx Ace Pro has volume and Google Assistant control

Omnidirectional HD sensitive microphone

Model Name: F2

10mms unidades de accionamiento dual

Frequency Range: Other

1 x Dual 3

Playback Time: About 4-5Hours

adjustable headband

Memoria extendida: 32G(No incluida)

40W output

Model: P190 ProTWS Bluetooth 5

TWS connection Gaining double excellent sound quality