K39 Wireless Bluetooth Headset CSR DSP chip In-Ear Vibrating Alert Wear Clip Hands Free Earphone Features: With Vibrating Alert Function, let you won't miss any important calls Easy to wear clip, with functional clip, carry your Fineblue conveniently on your shirt Extra long talkplay time, up to 5-6 hours of talk play time, and 300 hours of standby time Pair two phones simultaneously, enjoy the comfort of pairing two phones at the same time with Fine Patented retractable cable technology, after finishing your call, retract your cable with asingle push of a button (build-in 30cm cable) Works with any Bluetooth enabled phone Specification: Model: K39 Color: Black , Blue, Silver,Pink Wearing type : In-Ear Function: Bluetooth,Micro phone,Voice control,Answering Phone,Song Switching,Multi connection function Connectivity : Wireless Connecting interface : Micro USB Application: Mobile phone,Computer,Portable Media Player Talk time: 6 hours Music Time: 5 hours Standby time: 300 hours Bluetooth: Yes Bluetooth version: V4.1 Bluetooth mode: Hands free,Headset packing size: 170*100*35MM N.W: 16.8G G.W: 62.5G Package Contents: 1 x Earphone 1 x Micro USB Charging Cable 1 x User Manual NO Retail Box. Packed Safely in Bubble Bag.