Mini Ear Hook Bluetooth Headphone Setereo Wireless for Iphone / Sumsung

Mini Ear Hook Bluetooth Headphone Setereo Wireless for Iphone / Sumsung Pictures Specifications Bluetooth version 4.0 + EDR Bluetooth profiles HSP, HFP, A2DP and AVRCP Bluetooth operating distance 10 meters (equal to 33 feet) Frequency range 2.4-2.48GHz Standby current ≤ 10μA Working Current ≤ 30mA Working voltage DC 5V Charging current DC 5 V 500 mA Frequency response 20-20000 Hz Built-in battery capacity 60mAH Charging time (fully charge) 1.5-2 hrs Working time Music time 4