Frequency Response 20Hz – 20KHz Battery International Lithium polymer ion battery / Charging case: 450mAh / Earphone: 50mAh x 2 Operating Time Bluetooth music play time : Approx.4hrs at 50% volume level Charging Charging case: Approx. 1.5hrs, Earphone: Approx. 1.5hrs Charging Voltage DC5V (Micro USB Charging ) Bluetooth Specifications Ver.5.0 Bluetooth protocol support A2DP, AVRCP, HFP, HSP Service Distance Up to 10M (33ft) Phone Receiving and Answering the Call Dimension(Charging case) 92.5mm(W) x 35mm(H) x 35mm(D) Weight Charging case: Approx. 40g, Earphone: Approx. 5.2g x 2 Accessories Micro USB cable, Ear piece S/M/L x1, Operation manual BAR Code 4560158879485(W), 4560158879478(K)
