MoonDrop Sparks True Wireless Stereo Earphone Bluetooth 5.2 Dynamic Earbuds TWS Headset

Sparks SPEC:

Frequency Response: 20-20000Hz(IEC60318-4)
Driver Unit: 6mm Dynamic Driver
Housing Supplies: ABS/PC
Diaphragm: Berylium-Coated Dome + PU Suspension Ring
Driver Coil: 0.035mm-CCAW
Magnetic Circuit: [HEMC]lmproved Extreme Effectivity Magnetic Circuit+N52
Neodymium magnet
Acoustic Filter: Patented Anti Clogging Filter
Bluetooth Mannequin: Bluetooth 5.2
Audio Transmission Codecs: aptX Adaptive/aptX/AAC/SBC
Battery Functionality: Earphone 50mAh / Charging Case 700mAh
Playback time: 8 hours on earphone + 48 hours on charging case
Charging rating: 5V-500mA
Operation: Contact, Delicate + Voice rapid
Bluetooth Range: 10 meters
Supplier of Bluetooth PCBA: Self developed