TWS Wireless Bluetooth Headset 9D Stereo Sports Waterproof Bluetooth Wireless Headset Noise Reductio
parameter:Bluetooth version: 5.0Bluetooth distance: 20 metersListening time: about 5-6 hoursTalk time: about 4-5 hoursSpeaker specifications: moving coil 6mm-16Q2Headphone battery specification: 40mAh*2Charging box battery capacity: 3500mAhCharging box output power: 5V-1ACharging box input power: 5V-1ACharging time of the charging box: about 2-3 hoursHeadphone charging time: about 1 hourBluetooth protocol: A2DP/AVRCP/HFP/HSPdescribe:1. Bluetooth v5.0, support most Bluetooth devices, lower power consumption2. The 3500mah charging box can fully charge 2 earphones about 10 times, providing more music time.3. With waterproof technology, no longer have to worry about water and sweat4. 8mms dual drive unit, enjoy 9d deep bass music sound effect5. The popular one-key control function supports music switching, phone calls and call assistants.The package includes:2* Bluetooth headset1 * Charging box1 * USB data cable1 * User Manual