USB Wireless V5.0 Transmitter Receiver 3.5mm Car Adapter w/ Mic

Simply Insert The Wireless Aux Adapter Into The Aux 3.5mm Jack On Your Car Stereo, And Then Make, Answer, And Reject Hand-free Calls With One Button, Enjoy Music In Your Phone And Listen To Navigation Voices. Simple, Slim Design Minimizes Footprint On Car Dashboard. Wireless 5.0 Technology Enhances Your Safety, Pleasure And Fun While Driving.2 In 1 Wireless Audio Adapter Brings You Much Convenience. Make Your Old Stereo/speaker System Wireless Now By Using The Wireless Adapter. Unshackle Yourself From Cables While Enjoying Cd-quality Music. Create Non-disturbing Tv Watching Experience. Use The Adapter To Cut Off Tv Sound And Enjoy Quietly Tv Programs Without Disturbing Others.

•  Amazing Sound Quality: High-resolution Restoration Of Lossless Sound Quality, Bringing Cd-level Music Experience. Advanced Wireless V5.0 Technology Delivers Stable And Faster Transmission With Less Power Consumption Which Can Represent A Superior Audio Performance To Spoil Your Ear And Never Feeling Boring While Driving. 
• 2 In 1 Wireless Audio Adapter: Come With Wireless Transmission Mode(Tx Mode) And Receiving Mode(Rx Mode),tx Mode Can Convert Wired Audio Into Wireless Signal, And Transmit It To Wireless Device For Output; Rx Mode Receives Wireless Signal And Transmit It To Wired Audio Through Wireless Connection. Connect To The Tv’s 3.5mm Audio Interface, And Transmit The Sound To The Headset Via Wireless, So You Are Not Afraid To Disturb Your Family When Watching Movies At Night. 
• Hands-free Call: The Speaker Without Wireless Function Can Also Be Played Wirelessly.
• Connect The Wireless Connector To The Car Aux Interface Through The Adapter, And Connect The Wireless To The Car Stereo, Which Can Not Only Make Calls, But Also Listen To Dynamic Music, So That Your Journey Is No Longer Lonely
• Rechargeable Audio Adapter: 1.3hrs Fully Charged Through Our Included Usb Charging Cable One Time And Lasts 4 Hours. Enjoy Wireless Music For Longer Time.
•  Easy To Use: Simple Yet Effective Button Interfaces - Designed With An On/off Button And A Tx/rx Slide Switch, Plus Working Status Indicator, Brings You Much Convenience. 3.5 Mm Male To Male Connector Gets Rid Of The Need For Wire Bonds, However Simultaneously Not Compromising Sound Quality.
• Note:

Not Compatible With Nintendo Switch
How To Use:
Receiver Mode
1.use The Micro Usb Cable To Charge Before Use;
2. Connect The C28 To Your Audio Device Using The Aux Cable;
3. Change The Switch Button To Position Rx;
4.turn On The Device(Long Press In The Multifunction Button)then The Blue Light Will Flash Quickly,  Indicating That Is Ready For Pairing;
5.find C28 In The Wireless Search Of Your Phone And Chose To Pair.

Transmitter Mode
1.use The Micro Usb Cable To Charge Before Use;
2 Connect The C28 O Your Audio Device Using The Aux Cable;
3.change The Switch Button To Position Tx;
4.turn On The Device(L Ong Press In The Multifunction Button)then The Red Light Will Flash Quickly, Indicating That Is Ready For Pairing;
5.turn On The Device You Want To Connect And The C28 Will Automatically Connect.
When The Connection Is Successful The Wireless Indicator Will Illuminate Red.

Product Type: Wireless Audio Adapter 
Wireless Version: 5.0
Effective Working Radius: 10m/32.8ft (Open Area)
Interface: Usb, 3.5mm
Working Frequency: 2.4mhz
Transmission Rate: 100mbps
Battery: Inbuilt 1pc 140mah Lithium Battery
Input: 5v/1a
Runtime: 4hrs
Fully Charged Time: 1.3hrs
Color: Black
Charging Cable Length: 50cm/19.69in
Item Size Without 3.5mm Audio Head: 5.5x2x1cm/2.17x0.79x0.39in
Item Weight W/3.5mm Audio Head: 12g/0.03lbs
Package Size: 6.6x10.1x1.7cm/2.6x3.98x0.67in
Package Weight: 40g/0.09lbs

1x Wireless Receiver Transmitter
1x Usb Charging Cable
1x 3.5mm Audio Head
1x User Manual"