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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
8in/170*56*72mm(L*B*H)
4 Keys operation
Bluetooth use band: 2
1: Connect the cable to USB 5pin (it is antenna)
Audio cable length: 1
Bluetooth Earphone In Ear Wireless Color:red add box 8in/170*56*72mm(L*B*H)Allow you to enjoy digital quality music wirelessly and convert between music and phone calling mode freely. Support headset stereo devices to receive A2DP stereo music from laptop computer, tablet PC, Smartphone or an other device that supports headset stereo audio. Talk time: up to 4 hours Music time: up to 4. 5 hours Standby time: up to 120 hours Specification of headset Headset version: V4. 1 +EDR Operation distance: 10m Range of frequency: 2. 4