* Support voice prompt * Phone handsfree call * Cell phone pick up/hang up and last call re-dial. * RF range: 10M * Frequency response: 100HZ-20KHZ * S/N ration: 75db * Output: 3W * Built-in Lithum battery: 400mAh * Charging by USB * Charging voltage: 5V * Charging time: 2-3 hours * Playback time: 6-7 hours Standard colors: black, blue, green, red, white, yellow. Standard accessories: 1*bluetooth speaker 1*USB charging cable 1*user manual 1*transparent gift box or color box Product size: 91.5*84.5*53mm Packing size: 110*110*60mm N.W./G.W.: 94g/206g
