The SPH10 is a Bluetooth 3.0 Stereo headset with long-range Bluetooth intercom designed specifically for outdoor sports activities. With the SPH10, you can call handsfree on your Bluetooth mobile phone, listen to stereo music or voice instructions of GPS navigations by Bluetooth wirelessly, and have intercom conversations in full duplex with your companions.Thanks to the latest Bluetooth 3.0 and the advanced digital signal processing technology, the SPH10 offers the best sound quality for both incoming and outgoing sound in its class. Also, the easy-to-access and intuitive button operations make the SPH10 a perfect companion for outdoor sports.FeaturesBluetooth 3.0Stable and secure fit for active conditionBluetooth intercom up to 900 meters (980 yards)*Four-way conference intercomConference phone call with intercom participantMultipoint for mobile phone+GPSVoice promptsBluetooth stereo headset for Bluetooth audio devices such as MP3 playersBluetooth music playback control by AVRCP: Play, pause, track forward and track backEasy operation by versatile Jog DialSufficient sound level with integrated audio boosterBluetooth handsfree for Bluetooth mobile phonesBluetooth headset or stereo headset for Bluetooth GPS navigationsDuable, sweat and water resistant for active conditionCrystal clear and natural sound qualityUp to 10 hours talk time, 7 days stand-by timeIndividual volume control for each audio sourceFirmware upgradeablePeace of mind - thanks to the two-year warrantyGeneralTalk time: 10 hoursStand-by time: 7 daysIntercom working distance:Up to 900 meters (980 yards) in open terrainOperating temperature: -10°C ~ 55°C (14°F ~ 131°F)Dimensions: 210 mm x 131 mm x 73 mm (8.3 in x 5.2 in x 2.9 in)Weight: 116 g (4.10 oz)BluetoothProfiles: Headset Profile, Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio Video Remote Control Profile (AVRCP)Bluetooth 3.0AudioBuilt-in SBC CodecNoise cancellationWind noise reductionWide volume controlSample rate: 48kHz (DAC)Auxiliary audio-in connection via 2.5mm jackBatteryCharging time: 2.5 hoursType: Lithium polymer batteryCertificatesCE, FCC, TELEC, IC