The following parameters are provided by manufacturer.

Product Features:

• Speak Caller Name or Caller Number(Support Multiple Languages Selection)
• Phone book Synchronization Function
• Advanced Built-in Microphone and Speaker
• Echo Cancellation & Noise Suppression
• Full Duplex Sound Quality
• One-Touch Answer,Call Rejection,Last Number Redia l
• Voice Dialing Function(Voice Activation subject to voice activation enabled phones)

Product Specification:

• Compatible Bluetooth Specification:V2.0+EDR
• Operating Freuency Band:2.4GHz - 2.48GHz unlicensed ISM band
• RF Output power:Class 2
• Working Distance :UP to 10 Meters
• Support Profiles: Headset and Hands free 1.5 profiles
• Battery Type:Rechargeable Lithium DC 3.7、 650MA(BL-5B)
• Talk time:8-10 hours
• Standby Time:600 hours
• Charging Time:2-3 hours
• size:118mm*46mm*16mm

NetWeight:188g(Included Packaging box)