The NFC feature on headphones is not actually intended for audio streaming but intended as an activation field for fast pairing between headphones and NFC-enabled devices that will then use Bluetooth to stream audio.
Recharging is done via USB-C charging which offers the main benefit over micro USB charging of not having to plug-in the connector the right way. USB-C cables can also carry more power and deliver faster data transfer speeds.
It only takes 2.5 hours to charge the battery from 0% to 100% thanks to quick charge integration. The built-in battery led indicator lets you know when full charge is complete and how much battery power is left. To check battery level, you hold down the power button for 2 seconds (red led means battery level is less then 20%.).
There is also an automatic power off feature that turns off the RHA MA750 Wireless earphones after 5 minutes of idleness.
The RHA MA750 Wireless earphones support SBC and aptX audio codecs so you can enjoy high quality audio on Android devices. The RHA MA750 Wireless don't support AAC for Apple devices which is the equivalent of aptX for high-resolution audio since Apple devices don't support aptX.
The RHA MA750 Wireless also supports multipoint pairing which lets you connect to more than one device. In the case of the MA750 Wireless, it supports two simultaneous pairings so you can be connected to two devices at the same time.
When you receive phone calls, you won't have to worry either because the MA750 Wireless automatically can tell which device is ringing so it will connect to the right one.
The fit inside the ear and around the neck is comfortable and secure thanks to the RHA MA750 Wireless lightweight (41 grams) and earhook design that lets you wrap the cable around your ears.
The neckband is made of silicone rubber that is soft to the touch and flexible. There is sweat proof protection with an IPX4 rating.
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