In-Ear Earbuds SD-002A TWS Earphone offer freedom from wires, portability, and sleek design. Our new SD-002A in ear earbud deliver high-quality stereo sound, enhanced by features like touch controls, noise cancellation, and water resistance. With long battery life and quick charging, they’re convenient for travel or workouts. Seamless Bluetooth pairing ensures stable connectivity across devices, while compact storage adds practicality. Ideal for active lifestyles and tech-savvy users seeking convenience without compromising audio performance.
Sinde Smart Technology (HuiZhou) Co., Ltd. is a subsidiary of Cheung Shing Development (H.K.) Ltd. With more than 100 plastic injection machines, SMT, and over 10 assemble lines, we are able to produce and test any audio products from plastic parts to assembling in our own factory workshop in China. The company specializes in the design, development, production of various type of TWS earphones. We welcome OEM and ODM according to customer’s requirements.
Model |
SD002A |
Bluetooth |
JL6973D8 |
Version |
Bluetooth V5.4 |
Audio Decoding |
SBC,AAC |
Charging case |
IP5513 |
Bluetooth Antenna |
Ceramic antenna |
Call Noise Reduction |
Dual microphone call noise reduction |
Distance |
>10m |
Battery Capacity |
40mAh for earphones; 400mAh for charging case |
Speaker specifications |
dynamic coil, composite film, OD=10mm, impedance=16ohm |
Play Time |
7 hrs(70% Volume) +Charging Case 30 hrs |
Call Time |
6hrs |
Standby Time |
300hrs |
Waterproof Grade |
IPX4 |
Charging Time |
>2hrs |
Appearance Treatment |
Plastic injection molding (adjustable color), spray metal pain |
Other Features |
ergonomic, compact and light, HIFI sound quality, LED Display |
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