* Version of bluetooth: Bluetooth v3.0+Edr * Bluetooth protocol: Hsp/hfp/A2dp/Avrcp * Effective distance: 10m * Working hours: Calling: 11 hours, Listening to music: 10 hours * Standby time: 250 hours * Charging input voltage: Dc:+5.0+-0.25V * Dimension of the product: 165x155x33mm * Weight of the product: 103g WARRANTY: 1 Year Direct Manufacturer Warranty RETURNABLE: Yes
