B2B-Optimized Product Description:
OEM Bluetooth 5.3 Earphone featuring JieLi 6973D4 chipset with dual codec support (SBC/AAC). Provides 3 recharges via 300mAh case, 17h playtime and ultra-light 3.3g design. Ideal for wholesale buyers seeking custom wireless earbuds.
TWS Bluetooth Earbuds Technical Specifications
Core Specifications:
Bluetooth Version: 5.3
Bluetooth Solution: JieLi 6973D4
Audio Codecs: SBC, AAC
Effective Range: ≥10m
Earbud Battery: 30mAh (with protection circuit)
Earbud Charging Time: ≈1.5 hours
Charging Case Input: DC5V 1A
Recharge Cycles: 3 times
Driver Size: Φ13mm
Impedance: 32Ω ±15%
Frequency Response: 20Hz-20kHz
Weight:
Single Earbud: 3.3g
Full Set: 40.7g
Connectivity:
Supported Profiles: HFP, A2DP, AVRCP
Transmission Power: Class 2
Operating Frequency: 2.4GHz
Charging Voltage: DC5V ±0.2V
Power System:
Charging Case Battery: 300mAh (with protection circuit)
Case Charging Time: ≤1.5 hours
Standby Time: 40 hours
Total Playtime: ~17 hours
Acoustic Performance:
Sensitivity: 113dB ±3dB
Physical Dimensions:
Charging Case: 49.5×45.8×24.5mm
Single Earbud: 33×17×17.5mm
Release time:2025-04-01 10:14:38
Wholesale JieLi 6973D4 Bluetooth 5.3 Earphone | 13mm Driver 17H Playtime OEM Solution
MOQ:500
Color:Black, White, Beige, Red, Blue, Orange

Earphone Overview
Why Choose HUISH OEM Earphone
If you are looking for best earphone, HUISH wholesale earphone is your topmost choice. As the manufacturers in China, we never compromise on quality and innovation. All our earphone brand are manufactured in compliance with exacting international standards, Boost your business visibility with our high-quality custom earphones. Whether you're preparing for corporate gifts, trade shows, or client giveaways, HUISH customized earphones keep your brand in hand.
Can I have a free sample?
Of course, free sample is accepted. We normally receive the sample fee first and refund it after the bulk order is placed.
Can I make my logo on?
Of course. Please send us your logo and we will provide design drafts for your confirmation (logo position & size) before production.
When you could arrange the delivery?
- Small QTY under 500 pcs: normally within 7 days (based on enough stock)
- 500–2,000 pcs: 20–25 working days
- 2,000–5,000 pcs: 30–35 working days
- 5,000 pcs up: around 45 days
What shipping methods you supply?
DHL, UPS, TNT, Alibaba logistics, etc. We also provide DDP by sea, train, truck, or air depending on your demands. Our strong logistics supply chain supports traditional sea and air shipping.
If the quantity is less than the minimum quantity, can I order it?
Of course. You are welcome to place sample or trial orders for testing and quality inspection. We take sample orders seriously.
How can you guarantee the production quality?
We implement a strict quality control system throughout production and test each finished product before packaging. Third-party inspection is acceptable.
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