OEM Bluetooth 5.3 Earbuds featuring JieLi 6973D4 chipset with dual codec support (SBC/AAC). Provides 2.5 recharges via 250mAh case, 14h playtime and ultra-light 3.3g design. Ideal for wholesale buyers seeking custom wireless earbuds.
TWS Bluetooth Earphones 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: 2.5 times
Driver Size: Φ13mm
Impedance: 32Ω ±15%
Frequency Response: 20Hz-20kHz
Weight:
Single Earbud: 3.3g
Full Set: 35.7g
Connectivity:
Supported Profiles: HFP, A2DP, AVRCP
Transmission Power: Class 2
Operating Frequency: 2.4GHz
Charging Voltage: DC5V ±0.2V
Power System:
Charging Case Battery: 250mAh (with protection circuit)
Case Charging Time: ≈1.5 hours
Standby Time: ≈40 hours
Total Playtime: ~14 hours
Acoustic Performance:
Sensitivity: 113dB ±3dB
Physical Dimensions:
Charging Case: 56.8×50.4×29.2mm
Single Earbud: 33×17×17.5mm
Release time：2025-04-01 10:20:35
Bulk Order TWS Earphones | 250mAh Case 3.3g Lightweight AAC/SBC Support
MOQ:500
COLOR:BLACK,BLUE,WHITE
