Bluetooth Headphones, 4-in-1 Hot Selling with Functions of Stereo Bluetooth, TF Card Slot, FM Radio

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Basic Info

Payment Type:	Telegraphic Transfer (TT,T/T)

Product Description

Features:

Category: stereo Bluetooth card reader headphones
Unique with strip light indicator
Styles: headband, foldable, adjustable
Microphone: built-in
Earpiece: over-ear, leather earpiece for great wearing, comfortable
Functions: Bluetooth + micro SD card/T-flash card, MP3 player + FM radio + volume control
Connectivity: wireless or wired (using USB cable make it same as regular headset)
Data transfer function: can transfer music file between headphones and PC (connected directly to a PC via a USB cable, when plug into micro SD card)
Music formats supported: MP3, WMA
Available color: black/blue/pink/gray
OEM/ODM orders are welcomed

Bluetooth technical:

Bluetooth version: 2.1 + EDR
Operating distance range: 10 meters
Support incoming ringtone
Last call redial
Sharing music when connect to Bluetooth available devices such as iPhone/iPad/smartphones/tablet PCs and more
Speaker diameter: Ø40mm
Impedance: 32Ω
Sensitivity: 115dB SPL 1kHz
Rated power: 20mW
Power capability: 100mW
Microphone unit: 4.5 x 2mm, -58 ±3dB
Plug type: 3.5mm stereo
PC interface supported: USB2.0
Operating current: 30mA
Operating voltage: 3.7V
Battery: built-in 400mAh rechargeable lithium battery
Charging time: 4 hours by PC USB, 3 hours by charger via USB cable
Playing time: can last 8 hours for music playing