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BTK C1S Stereo Bluetooth V4.1 Earphone white ↓ details & specifications
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3 ~ 4
5 +
Color White
Material Plastic
Bluetooth 4.1
Earphone Style In Ear
A2DP Stereo Music Yes
Power & Batteries
Charging Voltage 5 V
Estimated Charging Time 2 Hours
Estimated Standby Time 250 Hours
Estimated Talk Time 4.5 Hours
Wireless Devices
Transmission Distance (Maximum) 10 meters
Brand BTK
Model C1S
Package Type Retail
Package Contents 1*Earphone, 1*USB Cable (23cm), 1*Earhook, 2*Earbuds
Dimensions us | metric
Depth 8 mm
Height 55 mm
Width 14 mm
Product Weight 7.0 g
SKU 2670000
DATE LISTED 7/1/2015
  • Wireless frequency: 2.4-2.48GHz
  • Transmission power: Class2
  • Supported protocol: HSP/HFP/A2DP
  • Can connect two cellphones simultaneously 
  • Supports high quality stereo music playback
  • Suitable for cellphones / notebooks / tablet PCs 
  • Functions: Incoming number reporting, remote control photographing, voice reminder, receiving and blocking phone calls

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Important information and restrictions:
  • Because this product contains batteries, it can only be shipped via select shipping methods. These shipping methods are displayed when you check out the order.
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