Compliant with Bluetooth V1.2, V1.1 specification Support Bluetooth headset, Bluetooth handsfree, Bluetooth A2DP, AVRCP profilesBT-900 is a stylish hi-fi stereo sports headset. It makes you enjoy the real hi-fi musicIt is compatible with any Bluetooth mobile phones, no matter the ones supporting Bluetooth stereo headset profile or Bluetooth common headset profileFeatures:Compliant with Bluetooth V2.0, V1.2, V1.1 specificationSupport Bluetooth headset, Bluetooth handsfree, Bluetooth A2DP, Bluetooth AVRC profilesComfortable for wearingSmart and nice appearanceLow radiationInternal lithium polymer batteryLong standby timeHigh quality of voice communicationVoice dialingLowest power consumptionLast number redial Mute functionSimply operationLED indicator and tone alert for headset statusGeneral specifications:Frequency range: 2.4GHz~2.4835GHz unlicensed ISM bandOutput power: less than 4dBm (Class 2)Operation range: up to 10m (30 feet) outdoorSecurity: pairing, encryption, authenticationStand-by time: 240 hoursTalk time: 11 hoursListen music time: 10 hoursBattery: Li-polymer battery, 460mAh producing area:China payment:T/T 30% deposit, balance before shipment supplying capacity:1,000pcs/day