K2 Bluetooth Headset Handsfree Auriculares 4.1 wireless headphones earbuds Big power battery display earphone with Microphone

Style: Ear Hook
Communication: Wireless+Wired
Connectors: USB
Wireless Type: Bluetooth
Vocalism Principle: Dynamic
Control Button: Yes
Volume Control: Yes
Active Noise-Cancellation: Yes
Function: For Mobile Phone,HiFi Headphone,Sport
Plug Type: USB
Sensitivity: 113dB
Frequency Response Range: 20-22000Hz
Line Length: 1.2m
Resistance: 32Ω
Waterproof: No
Model Number: K2
Support Memory Card: No
Support APP: No
Is wireless: Yes
With Microphone: Yes
Codecs: SBC
Brand Name: JOWAY
Bluetooth profile: A2DP,AVRCP,HSP,HFP
Bluetooth working range: 10m
Product weight: 10g
Max Power: Class1
Battery capaity: 300mAh
Charging time: 2 hours
Talking time: 36 hours
Music time: 32 hours
Function1: Battery level display
Function2: USB binaural audio output
Support Apt-x: No