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Bluetooth Compliance: Bluetooth 1.2 with A2DP, AVRCP, HFP and HSP
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Frequency Range: 2.402 ~ 2.480GHz
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Transmission Output Power: 0.25 ~ 2.5mW
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Maximum Cordless Distance: 30 feet ( 10m)
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Dimension of watch: 11mmx 10.8mmx 11.6mm
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Weight of watch: 60g
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Operating Temperature: -10 ~ 50c
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Relative Humidity: 0 ~ 95%
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Typical Standby Time: 120 hours
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Typical Talk Time: 6 hours
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Typical play music Time: 6 hours
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Battery Type: Rechargeable Lithium Ion
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Charger Rated Input: AC 100-240V, 50/60Hz
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Charger Rated Output: DC4.2V, 400mA