Product HighlightsBluetooth Version 4.0Voice ReminderIntelligent Use For Two TogetherA2DP Voice Compatibleios Power DisplayNFC Speed PairingAcoustic Answer/Call Report NumberMusic Play 4 HoursTalk TIme 4.5 HoursStandby Time 200 HoursOther FunctionsMultipoint connection--connect with two different devices at the same timeA2DP Bluetooth transmission to listen musicCan lower down the background noise to 24DbSingle on/off buttons and auto-connect, let you use more convenientlySpecificationsColor Black, WhiteBluetooth Version V4.0Support Protocol HSP/HFP/A2DP/AVRCPChipset UK CSR ChipsetTransmission Distance 10MRF Frequency 2.4GFrequency Range 2.402GHZ-2.480GHZCharging Time 2 hoursTalk Time 4.5 hoursStandby Time 200 hoursBattery Capacity 100mAhCompliance RoHS, FCC, CEPackage Contents1 x A840BL Bluetooth Headset2 x Comfort Earbud Sizes1 x USB Charging Cable1 x Warranty Card1 x User Manual1 x Portable Bagอ่านเพิ่มเติม