Wireless Headphones, Boltune Bluetooth 5.0 aptX HD CVC 8.0 Noise Cancellation IPX7 Waterproof 16Hrs Playtime Earbuds, 3 EQ Settings with Magnetic Connection, Sports Earphones Built-in Mic, Blue 1) Clear aptX HD Sound Immerse yourself in high fidelity audio thanks to QCC3034 chip supports SBC, AAC, apt-X, and apt-X HD decoding to deliver sounds clearer than a CD. 10mm composite drivers deliver mids and highs with enhanced clarity. 2) Advanced CVC 8.0 Noise Cancellation Built-in microphone with advanced CVC 8.0 noise cancellation technology reduces the impact of call echo and ambient noise, and is the most advanced noise cancellation technology in Bluetooth headphones. 3) 3-Equalizer Modes Feature You can adjust the intensity of your music with Bass, Normal and Treble modes, while aptX high-fidelity sound enhances the music quality. Technical Specifications: Model: BT-BH001 Pro Talk/Playing Time: Up to 16 hours Bluetooth Standard: v5.0 Operating Range: 33 feet/10 meters (if no obstacles) Waterproof Rate: IPX7 Charging Time: 2 hours Charging Voltage: DC 5V