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Specification:Brand Name: KEEKAModel Number: B-1Optional Color: Black and White.Net Weight: 85gBattery Capacity: 65mAhBluetooth Version: 4.1Standby Time: About 180 hoursTalking Time: About 4.5 hoursCharging Time: About 2 hoursPower Input: DC5V\/200mATransmission Distance: About 10mProtocol: HFP， HSP， A2DP， AVRCP and APTX.Compatible With: iphone and android mobile phones
Function:Support to change songs and voice prompt.Answer phone， hang up， reject or turn on\/off by wire control.
Package Included:1 X KEEKA Bluetooth Earphone1 X Charging Cable2 X Ear Hook4 X Earmuff1 X Instruction