Wireless Headphones DSP Noise Canceling Bluetooth 5.3 Earphone IPX5 Waterproof Sports Headset Earbuds with Microphone HD Call<br> DSP digital noise canceling, HD Calling and Clear Music<br> Adopted DSP CVC8.0 noise reduction technology. DSP smart digital noise-canceling module has been embedded in the Bluetooth chip to reduce the noise, then we can enjoy HD and clear music and HD calling<br> 1: Wireless Bluetooth Headphones for Outside Sports, IPX5 Waterproof and Anti-sweatproof<br> 2: DSP Noise Canceling 5.1 Ture Wireless Headphones for Android Phone and iPhone Series<br> 3: Deep Bass,3D Stereo Sound Earbuds, Two MEMS Microphones Provides HD Call<br> 4: Long Time Working Time, Two Fully Charged Headsets for 6 Hours, 340mAh for another 24 hours.<br> Specifications:<br> Bluetooth: 5.3<br> Trans Distant: 10meters<br> Speaker:13mm<br> Resistance:32<br> Sensitivity: 106dB3dB<br> Frequency Response:20Hz~20KHz<br> Earphone: 30mAh Case:300mAh<br> Earphones: 4hrs Charge Case: 4 times for earbuds<br> Charge for case: 2hrs