stereo bluetooth speaker with microphone 1. metal+ ABS 2. Gift box 3. hand-free function 4. BQB, CE, RoHs,FCC Stereo speaker mini speaker bluetooth speaker Functions of mini speaker bluetooth speaker:1.Conform to Bluetooth V2.1 + EDR2.Support hand free calls, and echo weakening3.High quality audio A2DP V1.24.3W stereo output, and high-level sound quality5. Support line-in function6.Transmission ...