Item Code:centechia Style:Ear Hook Certification:NONE Vocalism Principle:Hybrid Technology Control Button:Yes Active Noise-Cancellation:No Communication:Wireless Volume Control:Yes Sensitivity:123dB Wireless Type:bluetooth Is wireless:Yes Line Length:Nonem Support APP:No Function:For Internet Bar,Common Headphone,For Mobile Phone,Sport Connectors:None Model Number:L9 Support Memory Card:No Resistance:9Ω Waterproof:No With Microphone:Yes Features:With Microphone Talking time:About 36 hours Music time:About 32 hours Support:dropshipping/wholesale Control button:yes Volume control:yes Style:ear hook Color:black, rose gold, gold, white Model:L9 Connection method:wireless