* Super-post-hanging Bluetooth headset with MP3 built in, TF card support, general computer headset and Bluetooth wireless communication faction.

* Bluetooth version: Bluetooth 2.0 version

* Frequency: 2.4GHz-2.4835Ghz

* Transmission power: class 2 (4dBm at most)

* Receiver sensitivity: -80dBm

* Distance communication: within 10 meters

* Standby time: over 150 hours

* Continuous talk time: over 10 hours

* The MP3 support audio formats: MP3

* Stereo: CD voice level

* External expansion card: TF card (support 4G and most)

* USB port: USB 2.0

* Frequency response: 20 Hz-20K Hz

* Battery : Rechargeable 300mAh li-ion battery

* Continuous play time: over 6hours

* Charging input voltage: DC 5V

Weight: 200g

OEM are Welcome! we can print customer's artwork and logo

Type of Packing: Color Box

Package Includes: Travel Charger, Earphone
We will send the correct Plug Adapter that suitable for the Country in the shipping address