Description Details: Bluetooth 4.1 Version, Wide Compatibility, It Could Build More Faster Connection And Transmit Stable Signal In High Speed. Simultaneous Connection, This Speaker Could Be Connected With Two Bluetooth Devices At The Same Time. Noise Reduction, It Could Reduce The Interference From The Environment Noise, Provide You High Clear Phone Call.Ergonomic Design, Equiped With Soft Earmuffs, More Comfortable For Long Time Wearing, Suitable For Sport.Small Size And Lightweight, Portable, Easy To Carry Around, Provide Full Sense Of Security While Driving. Specifications: Bluetooth Version V4.1 Transmission Distance 10m Frequency Response 20-20kHz Battery Capacity 55mAh, 3.7V Charging Time (H) 1.5-2h Working Time (H) Approx. 10h Standby Time (H) Approx. 100h Package Includes: 1* Baseus A01 Bluetooth Earphone 1* USB Cable 2* Earmuffs
