Mini Tws K2 Wireless Bluetooth Stereo Headset Earphones Earbuds Headphone In-Ear

1.True wireless bluetooth headset.2.360 surrounding sound.3.Bluetooth 4.2, effectively reduce noise.4.Mini and delicate design, easy to carry.5.ABS high strength material, environmental protection, not easy to fade.Specification:1.Name: Bluetooth Headphone2.Model: TWS-K23.Color: Black&Red / Black&Silver / White&Red / White&Silver4.Material: ABS(Acrylonitrile Butadiene Styrene)5.Size: 28x28x20mm6.Bluetooth Version: BT4.2+EDR7.Operating Distance: >10m8.Battery Case Size: 80x60x30mm9.Battery Capacity: 450mAh10.Talk Time: About 3 Hours11.Music Time: About 3 Hours12.Standby Time: About 40 Hours13.Charge Time: 2 Hours14.Support System: Support all mobile phone with bluetooth function15.Voltage: DC 5V16.Speaker Impedance: 1617.Speaker Frequency Response: 20~20KHz18.Microphone Sensitivity: 42+-3Db19.Microphone Impedance: 20020.Working Frequency: 2.402-2.48GHz21.Supports: HSP/HFP/A2DP/AVRCP22.Charging Interface: Point-contactBluetooth Connection:First, True Wireless Mode PairingStep 1: Press and hold the multi-function keys for 7 seconds of the two headsets simultaneous, then they they will be paired and connected automatically.Step 2: The headsets will be specified as left channel and right channel relatively, then left headset will enter pairing mode again, enable your phone's bluetooth and search, click the model "TWS-K2" to pairing and connect.Second, To Pair the Headset Single with Your PhoneStep 1: Press and hold the multi-function key for 7 seconds, release when the red light and blue light flash alternatively, the bluetooth headset enters pairing state.Step 2: Open the bluetooth of your mobile phone and search, click the model "TWS-K2" to pairing.Step 3: If asked to enter the password, please enter "0000".Package Included:2x Earphones1x Charging Power Supply Box1x Micro USB Cable1x User Manual6x Replacement EartipsNote: both can be used to listen to the music, but only one can answer calls. Thanks for your understandingNote: both can be used to listen to the music, but only one can answer calls. Thanks for your understandingNote: both can be used to listen to the music, but only one can answer calls. Thanks for your understandingFeatures:Note: both can be used to listen to the music, but only one can answer calls. Thanks for your understanding