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Bluetooth V1.2, also compatible with V1.1
Can deny ring, with sound dialing function,
Has redial for last number
Talk volume is adjustable by pressing button
Dimension: 6x25x22mm ; Weight: 20g
BlueCore2-Audio single chip
Frequency: 2.402GHz - 2.481GHz
Transmission power: Class 2( max 4dBm)
Receiver Sensitivity: -77dBm
Charger power: 5VDC/500mA
Operating voltage: 3.7V
Chargeable lithium battery, 150mAh
Charge time: about 150 minutes
Talk time: 6 hours, Standby time: 120 hours
Range : 10m