As a milestone product of true wireless noise reduction earphone, tenwin TW-T02 still plays a leading role in sound quality and noise reduction effect. Active Noise Cancellationï¼?Industry-leading noise cancellation up to 28db. Bluetooth Spec.:RTL8773BFR/ V5.0+EDR Functionï¼?Touch Function Wireless Distance Range: 10M Charging box Battery: 410mAh Earbuds battery:45mAh*2 Speaker Dimension: 13mm*2 Impedance: 16�©�±15%(at 1KHz) Talk Time: Up to 5 hours Charging Timeï¼?About 1.5 hours Profiles Supported: HSP/HFP/A2DP/AVRCP Accessory:1x earbud; 1x type-C charging cable" Color: black, white