Factory new super bass bluetooth headphones

Bluetooth 5.0 with working range about 15 Meters

*  Music play time: About 5-6 hours

*  Call talk time: About 5-6 hours

*  Stand-by Time: Up to 300 Hours

*  Charging Time-earphone: about 1 Hour

*  Charging Time-box: about 2 Hours

*  Earphones battery: 3.7V/30mah with protection board

*  Charging box battery: 3.7V/350mAh with protection board

*  Speaker size: φ13mm/ 32Ω bass sound

*  Digital tube displays battery power, voice assistant, precision mold