Feature:1. Newly upgraded the chip, the device will not be disconnected, and the signal will be transmitted stably, faster and more stable.2. Double marks and double noise reduction, accurate picking, clearer calls.3. Ergonomic design, suitable for the comfortable and uniform force of the auricle, and comfortable to wear.4. Two‑way rotation adjustment, arbitrary adjustment of the angle, to meet different wearing habits.5. Simple shape, pure color appearance, fashionable match, give you a good visual experience.How to Use:1. Long press the multi‑function button for about 4 seconds, at this time the indicator light flashes red and blue and the headset enters the pairing state.2. Turn on the Bluetooth on the phone, search for the Bluetooth headset of the corresponding model, and click the headset to complete the automatic pairing connection.Specification:Item Type: HeadsetProduct Model: F980Material: ABSBluetooth Version: V5.0+EDRSupport Protocol: HFP/HSP/A2DP/AVRCPCommunication Distance: ≤10m / 32.8ftFrequency Range: 20Hz-20KHzCharging Voltage: DC5VBattery Type: Lithium BatteryBattery Capacity: 90mAh (Battery Included) Package List:1 x Earphone1 x Ear Cap1 x Data Line1 x Manual