Transmission range 10 metersFunction power display, NFC function, voice control, music support, multi-point connectionStereo soundHeadphonesWhether two-sided three-dimensional sound or notEndurance 5 (hour)Form factor Over EarConnectivity technology WirelessWireless communication technology BluetoothAbout this item1. Open-ear design, comfortable to wear. Open-ear design style, fits both ears, lightweight and securely on the earbuds, suitable for long-term use without ear discomfort.2. Bluetooth 5.3, widely compatible wireless Bluetooth headset, with Bluetooth 5.3 technology, you can easily pair and connect it with smartphones, no cable restrictions, the Bluetooth connection is stable, no delay.3. Binaural separation design. Two earbuds can be connected to a mobile phone at the same time, or you can use two earbuds for each earbud separately. You can freely switch between left and right earbuds without additional pairing steps or interruptions. Lost or delayed music signal.4. Ergonomic design and comfortable: Bone conduction Bluetooth headset, lightweight design gives you an excellent exercise experience whether you are in the gym or outdoors, suitable for running, cycling and other sports.5. Stay connected to the outside world. Listening to music without blocking your ears can help you understand your surroundings while listening to music. You can hear incoming cars or ringtones while running, cycling or driving, effectively avoiding dangerous situations.