Physically remove dental calculus

Functions: Unit Switching

you can carry it anywhere you want to go

5 cm 24 15 cm 25 15

High Volume Loudspeaker, Wireless Bluetooth Microphone Foot Physically remove dental calculusProduct information: Color: black, silver gray, pink white, blue white, yellow White Material: ABS appearance over rubber oil Connection method: Bluetooth U disk AUX TF card Speaker Unit: 57MM inner magnet 16 core speaker Frequency range: 100Hz 10KHz Bluetooth version: Jerry 5. 0 Receiving distance: 10m Battery capacity: 1200mAh Charging voltage: DC5V 0. 8A Speaker: 2. 5 inch 45 Magnetic Loudspeaker Charging time: About 3H Singing Time: About 8h