L350 Foldable Wireless Sports Stereo Bluetooth Headset, Supports IOS Power Display & HD Calling & FM & TF Card & 3.5mm AUX (Blue)

1. Bluetooth 5.0 connection technology, stable signal and fast transmission speed 2. Stereo, giving you a comfortable music experience 3. Built-in lithium battery for long life 4. IOS system equipment can display power 5. Support FM function, support TF card and 3.5mm stereo interface 6. Most compatible Bluetooth devices in the smart market 7. Unique appearance structure, comfortable to wear, suitable for different head shapes 8. The earmuffs can be folded at 90 degrees for easy storage Product parameters: 1. Drive: 40mm 2. Impedance: 32ohm 3. Bluetooth version: Bluetooth V5.0 4. Bluetooth frequency band: 2.4GHz 5. Power level: Class II 6. Bluetooth distance: barrier-free 10m 7. Frequency response: 20-20000Hz 8. Support protocol: A2DP/AVRCP 9. Charging time: about 2 hours (power indicator charging: red light is on; full charge: red light is off, blue light is on) 10. Talk time: about