Features:
1. Support all audio devices with Bluetooth function, such as iOS/Android/Huawei Xiaomi phones, tablets, PCs, laptops, computers, etc.
2. Can also be used as a wired headset, 3.5mm audio jack, providing simple wired connection of various devices, no need for bluetooth
3. High-sensitivity built-in microphone, multi-directional speakers for virtual surround sound
4. Support TF card, Bluetooth auxiliary function, wireless music
5. The best choice for listening to music, watching movies, chatting online, etc.
6. Made of rubber oil, smooth to the touch

Product parameters:
1. Bluetooth: 5.0
2. Audio jack: 3.5mm
3. Frequency: 2.4GHz-2.48GHz
4. Frequency response range: 20Hz-20KHz
5. Signal to noise ratio: 70dB
6. Sensitivity: 84dB
7. Distortion rate: 0.1%
8. Built-in battery: 3.7V DC 400mAh lithium battery
9. Charging time: 2-3 hours
10. Playing time: 15-20 hours
11. Talk time: 8-9 hours
12. Standby time: 250 hours
13. Product size: 17 x 11 x 8 cm (folded size)
14. Net weight: 184 grams

packing list:
-Headphone x 1
-Charging cable x 1
-Instruction manual x 1