Waterproof IPX 7 portable bluetooth in-ear TWS earbuds,noise canceling

KREB-E8

Earbuds:
Bluetooth version: V 5.0 dual mode
Chipset: Airoha AB1526P
Distance: 15- 20 meters
Battery: Rechargeable Button Cell 55mAh
Full charging time: 1.5 hours
Play time: About 2.5 - 3 hours
Earbuds charging current: 50mA
Mic sensitivity: -38±3dB
Frequency range: 20～2,0000Hz
Earpiece weight: 7.5g
Waterproof: IPX7
Charging case:
Battery: Rechargeable Li-battery 650mAh(Provides 3-4 Times Charges)
Full charging time: 2 hours
Input:5V 500mA
Output:5V 100mA
Dimension: 50*40*25.5mm
Weight: 55g