L350 Bluetooth 5.0 connection technology, stable signal and fast transmission speed2. Stereo, giving you a comfortable music experience3. Built-in lithium battery for long life4. IOS system equipment can display power5. Support FM function, support TF card and 3.5mm stereo interface6. Most compatible Bluetooth devices in the smart market7. Unique appearance structure, comfortable to wear, suitable for different head shapes8. The earmuffs can be folded at 90 degrees for easy storageProduct parameters:1. Drive: 40mm2. Impedance: 323. Bluetooth version: Bluetooth V5.04. Bluetooth frequency band: 2.4GHz5. Power level: Class II6. Bluetooth distance: barrier-free 10m7. Frequency response: 20-20000Hz8. Support protocol: A2DP/AVRCP9. 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 8-10 hours11. Music time: about 8-10 hours12. Standby time: about 120 hours13. Battery capacity: 250mAh+ protection board14. Charging interface: Micro USBL350 Bluetooth 5.0 connection technology, stable signal and fast transmission speed2. Stereo, giving you a comfortable music experience3. Built-in lithium battery for long life4. IOS system equipment can display power5. Support FM function, support TF card and 3.5mm stereo interface6. Most compatible Bluetooth devices in the smart market7. Unique appearance structure, comfortable to wear, suitable for different head shapes8. The earmuffs can be folded at 90 degrees for easy storageProduct parameters:1. Drive: 40mm2. Impedance: 323. Bluetooth version: Bluetooth V5.04. Bluetooth frequency band: 2.4GHz5. Power level: Class II6. Bluetooth distance: barrier-free 10m7. Frequency response: 20-20000Hz8. Support protocol: A2DP/AVRCP9. 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 8-10 hours11. Music time: about 8-10 hours12. Standby time: about 120 hours13. Battery capacity: 250mAh+ protection board14. Charging interface: Micro USBProduct parameters:1. Drive: 40mm2. Impedance: 323. Bluetooth version: Bluetooth V5.04. Bluetooth frequency band: 2.4GHz5. Power level: Class II6. Bluetooth distance: barrier-free 10m7. Frequency response: 20-20000Hz8. Support protocol: A2DP/AVRCP9. 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 8-10 hours11. Music time: about 8-10 hours12. Standby time: about 120 hours13. Battery capacity: 250mAh+ protection board14. Charging interface: Micro USBL350 Bluetooth 5.0 connection technology, stable signal and fast transmission speed2. Stereo, giving you a comfortable music experience3. Built-in lithium battery for long life4. IOS system equipment can display power5. Support FM function, support TF card and 3.5mm stereo interface6. Most compatible Bluetooth devices in the smart market7. Unique appearance structure, comfortable to wear, suitable for different head shapes8. The earmuffs can be folded at 90 degrees for easy storageProduct parameters:1. Drive: 40mm2. Impedance: 323. Bluetooth version: Bluetooth V5.04. Bluetooth frequency band: 2.4GHz5. Power level: Class II6. Bluetooth distance: barrier-free 10m7. Frequency response: 20-20000Hz8. Support protocol: A2DP/AVRCP9. 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 8-10 hours11. Music time: about 8-10 hours12. Standby time: about 120 hours13. Battery capacity: 250mAh+ protection board14. Charging interface: Micro USB