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1. Material: Import PC + ABS plastic alloy structure Rugged,Shockproof,Dustproof 2. Size: 47*40*11mm 3. Bluetooth Version: Bluetooth V3.0+EDR 4. Bluetooth Protocol: A2DP + HFP 1.5 + HS P 1.2 5. Range of Frequency: 2.4GHz spectrum 6. Ambient Noise: 75dB 7. Transmitting Range: 10m 8. Language Support: English, French, Spanish, Portuguese, Italian, German,Turkish, Russia