[Truly Wireless] Portable Bluetooth Earphone Stereo Surround Sound Noise Reduction With Charging Box

Features: 1.Double digital silicon micro will maintain the most reliable call quality by preventing the background noise efficiently. 2.Fits comfortably and securely in your ears. 3.Small and easy to carry. 4.Pair with all bluetooth devices. 5.CVC6.0 echo noise reduction+DSP digital technology, which can achieve high-definition calls. Specifications: General Specification Color Black, White Wearing Type In-ear Material ABS Technical Parameters Microphone Yes Wired Control Not support Bluetooth Version 4.2 Transmission Distance 10m Receive Sensitivity -423dB Impedance 32 Frequency Response 2.402-2.48GHz Battery Capacity Earphone: 55mAh, 3.7V Charging Box: 500mAh, 3.7V Charging Time (h) 1.5h Taking Time 4h Working Time (h) Up to 2 Hours Package Included: 1*TWS Bluetooth Earphone With Charging Box 1*Charging Cable 1*Manual