Product Overview
CAT STN-28 Wireless Ear HeadsetProduct Details:Rechargeable Lithium Battery: 400 mAhCharging Time: 2.5 HoursWireless Version: 5.0Speaker: 40 mmTalk Time: About 7 HoursMusic Time: About 7 Hours ( Depends On Sound)Transmission range: 10MTransmission Frequency: 2.402-2.480 GHZCharging Voltage; 5VFrequency Response: 20-20000HZ
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