Model: A3Bluetooth version: V5.0 BluetoothWorking distance: ≤10MPower input: DC 5VHeadphone size: 4.3 × 1.7 cmCharging time: 1-2 hoursCharging box size: 6 × 5.5 × 2.2cmMusic time: 3-5 hoursHeadphone capacity: 45 mAh × 2Standby time: 30 hours each timeCharging capacity: 500 mAhSupport agreement: HSP / HFP / A2DP / AVRCP Accessories: power box × 1, headphones: L (left ear) R (right ear), charging cable, specifications, high-end packagingFeatures: Bluetooth 5.0, hands-free phone headset, stereo, touch control, magnetic charging, popular IOSApplicable products: smartphones, tablets and other Bluetooth devicesCharge the headset: Insert the headset into the slot, the headset will automatically turn off and start charging. Now, the supply boxCharge method:The blue light is always red headphones. After charging, the charging indicator will turn off and it will be inserted into the headphone slot. Charging base: the charging slot during charging, the charging compartment flashes red, and the red indicator light is always fully charged.Note: The above data are from the laboratory and are for reference only. The specific value depends on the environment and the measurement method.