TWS Bluetooth 5.1 Earphones Charging Box Wireless Headphone 9D Stereo Sports Waterproof Earbuds Head
Specification:Bluetooth version: 5.1Protocol: hfp 1.7/hsp1.2/a2dp 1/avrcp 1.6/spp1.2/pbap1.0Noise reduction version: cvc8.0Frequency range: 2.402ghz ~ 2.480ghzWorking distance: 10mCharging input voltage and current: 5v above 600maHeadphone battery capacity: 50mahRechargeable battery capacity: 2200mahHeadphone charging time 2 hoursMusic playback time: 4-6 hoursTalk time: 4-6 hoursFeatures:Product Features:Play pause (tap the left ear 1 time), answer and hang up (tap the left ear once), summon Siri (long press the left ear for 1 second), volume down (press the left ear 3 times), switch to the previous song (( Tap the left ear 2 times), switch the machine (long press for 5 seconds)Applicable Products:Smart matching mobile phones and tablets (compatible with Android/iOS and other systems)Earphone charging: Put the earphone into the charging compartment and close the lid, the earphone will be charged automatically, the earphone will light up in red when charging, and it will go out when it is fully charged.charging method:Charging in the charging bay: After connecting the data cable, the red light in the charging bay is fully charged and the red light is offParts List1*a pair of wireless earphones (left and right)1 * Charging box1 * Charging cable4* ear cap1 * English user manual