[DETAIL]<br>Specifications:<br>Bluetooth Version: V5.0<br>Support Bluetooth Mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5<br>Frequency: 2.402-2.480GHZ, 2.4G ISM band<br>Frequency Response: 20 Hz - 20 KHz<br>Signal to Noise Ratio (SNR): 70Db;<br>Total Harmonic Distortion Rate (THD): 0.1%<br>Power Indicator: Red and blue lights alternately flashing<br>Headset Charging: rechargeable 400MAH lithium battery<br>Charging Port: USB charging interface<br>Normal Charging Time: 2.5 hours<br>Talk Time: up to 10 hours<br>Standby Time: up to 20 Days<br>Operating Temperature: -20℃ - 55℃<br>Description:<br>1. HiFi Powerful Bass Stereo Sound Effect<br>2. Comfortable Over-Ear Fit<br>3. Comfortable and Foldable<br>4. Wireless and Lightweight<br>5. Built in Microphone<br>6. Ever Power Off, Both Wireless & Wired:<br>The wireless mode: A built-in 400mAh battery provides up to 8-10hr music time or talking time in a single charge.<br>The Wired mode: you can also use it as a wired headphone with the provided audio cable so the headphones will never power off.<br>7. Bluetooth 5.0:<br>The Bluetooth 5.0 CSR Chipset, lower power consumption, superior compatibility. Compatible for all the mobile Phone, Tablet PC, Notebook, any devices with bluetooth function Or has A 3.5mm Audio Jack.<br>8. Multi-Functions:<br>headsets have several options for listening enjoyment. Built in TF card slot and you can use a TF/Micro SD card with loaded MP3 music and listen to the songs directly on your headsets.<br>9. Colorful LED Light:<br>Seven-color transform cool breathing light, shine everywhere, anytime.<br>Package Included:<br>1* Headphone<br>1* Charging Cable<br>1* User Manual<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Material: ABS,Plastic<br>- Battery life up to[hours]: 4-20<br>- High-concerned chemical: None<br>- Material: ABS,Plastic<br>- Battery life up to[hours]: 4-20<br>- Voice assistant built-in: No<br>- Maximum wireless range[m]: <10m<br>- Sound Isolating: Yes<br>- Category: Earphones & Headphones<br>- Charging Method: cable<br>- Impedance Range: up to 32 Ω<br>- Bluetooth Version: 5.3<br>- Package List: User Manual,Charging Cable<br>- Is wireless: Yes<br>- Waterproof: Yes<br>- Plug Type: None<br>- Volume Control: Yes<br>- Control Button: Yes<br>- Vocalism Principle: Dynamic<br>- Wireless Type: Bluetooth<br>- Connectors: USB<br>- Communication: WireLess<br>- Style: Wireless headphone & headset<br>- Certification: CE,FCC<br>- Origin: Mainland China<br>- Brand Name: TDX<br>- key word: Wireless Bluetooth Headphone,Noise Cancelling,Gaming Headset