Product Name: Song Nai blue3
? Transmission radius: 10m
? Use way: hang ear type
? Brand: Song Dong Nai
? Model: blue3
? Package Type: official standard
? Standby time: 4 days
? Whether single binaural: Bilateral stereo
? Bluetooth Version: 4.0
? Color Category: White Black
? Transmission radius: 10m
? Channel: 2
? Features: multi-point connection

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