(1) MTK Stereo Bluetooth Earphone Design. 1 x Bluetooth earphone. 1 x Earphone Hanger. 4) Support : Bluetooth V4.0 + EDR + A2DP V1.3 + AVRCP V1.5 + HFP V1.6 + HSP V1.2 + SPP Protocol. 5) Support : Noise-Cancellation, Echo Elimination, Voice Prompts.
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