What is the delivery time for OEM orders?

For LDNIO brand stock, shipping is within 3 days after payment. For OEM/ODM orders, it takes about 15 working days after confirming artwork.

Can I customize the logo on the products?

Yes, we support OEM services where the logo can be added via laser printing for orders meeting the MOQ.

Ldnio-T01 Bluetooth5.3 350mAh in-Ear Wireless Bluetooth Tws Earbuds

Name: Ldnio-T01 Bluetooth5.3 350mAh in-Ear Wireless Bluetooth Tws Earbuds
Brand: Guangdong Ldnio Electronic Technology Co., Ltd.
SKU: 1968321511

Guangdong, ChinaGuangdong Ldnio Electronic Technology Co., Ltd.

US$7.73

10-999 Pieces

US$7.42

1,000+ Pieces

Sample price:US$7.13/piece.Request sample

Product profile

Customization

Available

Style

In-ear

Usage

Mobile Phone, Call Center, MP3 & MP4, Computer, Game Player, Aviation, DJ

Model NO.

LDNIO-T01

Bluetooth Version

5.3

Soundtrack

Dual Track

Function

Bluetooth, Multimedia, USB

Characteristics

Support Music

Color

Black/Gold

Specifications

A2DP

Distance version

Class A

Bt Wireless

Bluetooth V5.3

Transmission Distance

10m

Charging Case Battery Capacity

350mAh

Charging Time

Working Time

Music Playing Time: 4h Talk Time: 3.5h

Materials

PC Fireproof Material

Waterproof Standard

Ipx-4

Chipset

Wireless Delay Time

31-40 Ms

Noise Cancelling

Environmental Noise Cancellation (Enc)

Support Bt Profile

A2dp/Avctp/Avdtp/Avrcp/Hfp/Spp/SMP/Att/Gap/Gatt/RF

Transport Package

Inner Box, Outer Box

Specification

14X7X4cm

Trademark

Ldnio

Origin

Guangdong

HS Code

8517629400

Production Capacity

1500000/Pieces Per Month

Key features

Bluetooth 5.3 Connectivity: Features advanced Bluetooth 5.3 for stable connection and low latency.

Long Battery Life: 350mAh charging case provides 4h music and 3.5h talk time per charge.

IPX4 Waterproof: Rated IPX4 waterproof standard for durability against sweat and rain.

OEM/ODM Customization: Supports custom logo, packaging, and voltage parameters for brands.

Environmental Noise Cancellation: Equipped with ENC technology for clearer calls in noisy environments.

Global Certifications: Products certified with CE, FCC, RoHS, UL, BIS, and SASO standards.

Fast Charging Support: Charging case and earbuds fully charge in just 1 hour.

Multi-Device Compatibility: Compatible with mobile phones, computers, game players, and more.

Company profile

Self-brandedFull CustomizationStandardized quality controlProduct Certification

Guangdong Ldnio Electronic Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shenzhen Port, Guangzhou Port, Foshan PortAverage Response Time: ≤2.08h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad product compliance, management-system certifications, R&D strength, customization flexibility, and established quality and service procedures. Evidence includes 20+ or 30 R&D engineers, recent product development, ODM/OEM services, automated production capabilities, finished-product inspection instructions, and cooperation with Fortune 500 companies. Service coverage is more limited geographically: no overseas warehouse, showroom, agent, or branch is reported, and overseas service coverage is listed as zero countries. Financial records are referenced for 2022–2024, but no substantive financial performance information is provided. Overall, the supplier appears technically capable and suitable for customized electronics manufacturing, while overseas support and financial credibility require further verification.

Supplier typeThe supplier is evidenced as an OEM/ODM manufacturer with an independent R&D team, automated production lines, available SDK capability, and services for well-known brands. Its profile is therefore consistent with a technology-oriented manufacturer rather than only a trading or distribution company.

CertificationsThe supplier reports CE, CCC, RoHS, FCC and other product certifications, together with ISO9001:2015 and ISO14001 management-system certifications. These stated certifications support compliance and structured quality/environmental management, although certificate validity and scope are not independently shown.

After-Sales capabilityThe supplier has documented corrective/preventive-action and complaint-handling procedures with records, as well as written supplier-service assessment procedures. However, it reports no overseas warehouse, showroom, agent, or branch and zero countries offering overseas services, indicating limited demonstrated overseas after-sales infrastructure.

R&D capabilityThe supplier reports an independent R&D team of 20+ engineers in one description and 30 engineers elsewhere, continuous fast-charging technology innovation, available SDK capability, and new products within the past year. This is explicit evidence of active and technically relevant innovation capacity.

Production capacityProduction evidence includes a fully automated line integrating SMT placement, injection molding, and assembly, quality assurance in quality-control processes, equipment for mechanical, temperature, vibration, bending, friction, and X-ray testing, and standardized finished-product inspection. Reported peak and off-season lead times are within 15 working days or one month, though capacity volume is not specified.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor and flexible customization, and customization from designs. The same range is reported in both R&D design services and design-capability information, providing strong evidence of broad customization support.

Client casesThe supplier reports OEM service for well-known brands, cooperation with Fortune 500 companies, participation in multiple international trade fairs, and a repeat-buyer preference rate of 50%–80%. These statements indicate customer and market exposure, although named customer cases, project details, and independently verifiable references are not provided.