<p><b>Our bluetooth headset adopt bluetooth 4.1 technology - Equipped with Smart CSR 8615 chip, support HSP, HFP, A2DP,very easy to pairing bluetooth device,and</b></p><p><b>Bluetooth earpiece with mic supports SIRI voice prompt and mute switch, one key to Power on and enter pairing mode,1 to 2 connection.Bluetooth earpiece stylish</b></p><p><b>design allows comfortable wearing,strechable and 190 degrees adjustable ,270 degrees rotatable ,you can switch left or right ear at ease.Lightweight and flexible so</b></p><p><b>no matter where you are in office,Gym, working,driving,our hands free wireless earpiece will not let you miss any calls.</b></p><p></p><p><b>Technical specifications:</b></p><p>Bluetooth version:V4.1</p><p>Paired devices:connected to two at the same time</p><p>Talk time:up to 9 hours</p><p>Standby time :up to 180 hours Music time:up to 7.5 hours</p><p>Operating Range:10m/33feet</p><p>Charge Time: 2 hour for full</p><p></p><p>How to Connect Two Bluetooth Devices at the same time:</p><p>1.Pair the Bluetooth receiver to the first phone.</p><p>2.After pair successfully,turn-off the Bluetooth and the phone's bluetooth.</p><p>3.Pair the Bluetooth receiver to the second phone,repeat the first connection step.</p><p>4.After pair successfully,make sure Bluetooth is active on your mobile phone on the menu of the first phone.</p><p>5.Paired successfully.</p><p></p><p>Package Included:</p><p>1 x Bluetooth Headset</p><p>1 x User manual</p><p>1 x Carrier Bag</p><p>1 x Mini Micro USB Charge Cable</p><p>3 x Eartip(S,M,L)</p><p></p><p><b>NOTE:</b></p><p><b>Don't use output of your charger for this headset is higher than 5V,it will damage your headset potentially.You must use standard charger (5v or lower) for your headset.It take approx 6 hours to fully charge the battery.</b></p>