Bluetooth Headset V4.0 - Wireless Bluetooth Speakers Headset Earbuds Headphones Earpieces In-Ear Stereo Sweatproof Lightweight Noise Cancelling Mute Switch Hands Free with Mic for iPhone and AndroidCategory: Maxell Headphones Stereo SpeakersProduct Features100% brand new and high quality.Long battery life allows the headset with up to 9 hours talk time / music time and 11 days of standby time.Compatible with all smartphones, tablets, music players and other Bluetooth-enabled devices.Built-in HD and sensitivity microphone. reduces noise and wind for clear, crisp call quality.Ergonomic design optimized for ultimate wearing comfort.Support Multiple paired Device: Up to 2 Bluetooth Phones can be paired.Noise Cancelling, Sweatproof In-ear Stereo Headset.Easy to pair, control volume, start/stop the music, answer calls and move between songs.The 180 degrees flip allows to adjust the angle and fit this headset in right or left ear , providing great convenience for users.Power on/off1. Power on: Press and hold the Multifunction Button for 3 seconds until the LED light begins flashing.2. Power off: Press and hold the Multifunction Button for 5 seconds. The LED will light up, and then turn off.Note:1. If you wish to use the earbud with another mobile phone, you must restart the pairing process with the new devices from step one.2. Turn the bluetooth on, search for the headset on your mobile phone and connect.3. To complete pairing, some devices require a pass key or code, please enter "0000".4. Once successfully paired, the devices can be powered off. To re-connect simply power them both on, no need to pair again.Package IncludedDevice Type: Bluetooth headset Bluetooth version: V4.0+EDRBluetooth profiles: A2DP, HSP, HFP Operating frequency band: 2.4 GHz-2.48 GHz unlicensed ISM Band Transmission Distance: Up to 10m(Open Space) Talk time: About 9 hours Music Playing time: 8.5-9 hours Standby time: About 11 daysCharging time: Ablut 2 hours Battery:61mAh(Rechargeable Lithium Polymer) Weight: 3.28oz / 93g Package Included1 x Bluetooth Headset.1 x USB Charging Cable.1 x User Manual.