Specification: 1.Version:BT4.1+EDR 2.Support:HSP/HFP/A2DP/AVRCP 3.Standby Time:About 40 hours 4.Call Time:About 2 hours 5.Play Time:About 2 hours 6.Charge Time:About 2 hours 7.Charging Case:About 450mAh 8.Headset Size:28*20*28mm 9.Headset Weight:About 5.0g 10.Charging Case Size:80*60*30mm 11.Charging Case Weight:45g 12.Package Include:1 pair bluetooth headset+1 pcs Charging Case+1 pcs Micro USB Cable+6 pcs ear rubber+1 pcs user manual Pairing and Setup on smartphone: 1. Open the smartphone settings application and turn on Bluetooth. Continue to push the body of the earphone for about 7 seconds at the same time, the lamp alternately turns on blue and red. 3. Add a list titled "TWS - K2" in the "Device" list, so tap it. 4. Pairing is completed automatically. How to use: 1.Power on: Activate by pressing and holding the earphone's earphone for 7 seconds at the same time. 2.Power off: If you hold down any ear earphone's body for 5 seconds or longer, turn off both ear earphones at the same time. Music operation: Pause / music playback: Short press the left ear body once. Call operation: Call reception: Press the left ear body shortly once. End call: short press the left ear body one time. Please note: You can only use the left ear earphone when making a call. When the call ends, it returns to the auto mode to the music mode.
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