Bluetooth Earphones, Wireless Digital Display, Two Ears

Product information: Horn specification: 8mm copper ring horn Bluetooth chip: Jerry 6983D2 [low power consumption] Bluetooth distance: 10-12 meters Earphone battery: 30 mA Electric compartment battery: 250 mA Standby time: 150 hours, 4-6 hours listening to music Product colors black, white, green, blue, pink   Single unit size: 50 * 46 * 28mm Packing list: Earphones * 1 set/Earphones * 1 set Silicone case