Product Specifications:n1) Bluetooth chip and Bluetooth version: V4.1 + EDRn2) Bluetooth protocol: A2DP AVRCP HFP HSPn3) Battery: 3.7V 75mAhn4) The battery model: 501515n5) Charging power: 5V / 120mAn6) Transmission distance: accessibility 10mn7) Frequency: 2.4GHZn8) Talk time: about 5-6 hoursn9) songs time: about 6 hoursn10) Standby time: about 260 hoursn11) Weight: 15g

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