K8 Metal Wireless Bluetooth Earphone Stereo Bass Waterproof Handsfree Headphone With Mic

Features: 1.It has strong anti-axidation properties,low resistance,and easy to conduct current. 2.The bluetooth 4.1 design with low power consumption makes the battery life stronger. 3.Its surface are painted with a material that is effective for waterproof. 4.With 10 meters effective connection distance,the performance is stronger and the signal is more stable. 5.The polymer lithium battery is used to effectly prevent short-circuit heating and extend the life of the headset. Specifications: General Specification Model K8 Color Brown, Rose Red, Aqua Blue Wearing Type In-ear Material CNV Aviation Alloy + ABS + TPE + Silica Gel Net Weight (g) 18g Technical Parameters Microphone Yes Wired Control Support Bluetooth Version 4.1+EDR Transmission Distance 10m Receive Sensitivity -92dBm RX sensitivity and +9dBm TX output power capability Frequency Response 20Hz-20KHz Battery Capacity 80mAh, 3.7V Charging Time (h) 2h Working Time (h) 2-3h Talking Time (h) 2-3h Package Included: 1 x K8 Sports Bluetooth Earphone 1 x USB Charging Cable 1 x User Manual