Specification: 
1. Bluetooth solution: FM TF Over ear Bluetooth Headphone
2. Bluetooth version:  Bluetooth 5.0 IPX4 waterproof
3. Bluetooth support protocol: HFP1.6 A2DP1.2.AVRCP1.4
4. Audio frequency range: 20Hz ~ 20KHz
5. Bluetooth distance: 15 meters
6. Driver: ¢40*2 speaker 32 ohm with Bass
7. Microphone: High-intensity capacitive microphone 4X1.5mm 
8. Mobile phone connection: one for two functions.
9. Battery capacity: 500mAh.
10. Charging time: about 2.5 hours
11. Charging voltage: DC 5V
12. Talk time: 16 hours
13. Play time: 14 hours 
14. Standby time: up to 300 hours
15. SNR: above 80dB.
16. Distortion: less than 3%.
Material: Imitation protein skin + steel strip + ABS + Silicone                    

 Feature:
1.Cool Design
2.Excellent sound quality
3.15 meter distance
4. Automatic connection
5. One for two functions
6.Support for wired audio playback
7.Long Battery Playtime
8.Call Function
9. High perpormance Bluetooth Version
10. TF & Bluetooth
11. Foldable & Porbable
12.Indicator Light
13.USB Charging
14. OEM Service