1. Iphone 7 and new Macbook Pro have no 3.5mm headphone jack. Is your headphone useless.
2 .New Bluetooth headphones is too expensive.
3. Bluetooth headphones will loss the sound quality during the transmmiter.
Connecting To Your Car and Home Stereo
Perfectly works with car via AUX port or speaker without Bluetooth function by audio port, you can feel free to enjoy the stereo sound effect no matter in your car or at home.
bluetooth receiver: 4.1 + EDR
bluetooth transmitter: 2.1
transmission distance: 32.8ft
support bluetooth profile: A2DP
battery: rechargeable li – polymer battery (600mah)
Charging input voltage: DC 5V
Working time: Up to 8 hours(depends on the volume of the audio)
Charging time: About 2 hours
Input / output connection: 3.5MM stereo interface
Item dimensions: 3.82 * 2.28 * 4.72in
Item weight: 1.34oz
1 x Wireless Bluetooth transmitter receiver
1 x USB cable
1 x Male to Male AUX cable
1 x RCA Cable
1 x User Manual