**: IT House.
IT Home reported on February 29 that MINISO and BT21 (note: established by BTS members and LINE FRIENDS) co-branded true wireless Bluetooth headset passed FCC certification, and the certified model adopts the design of the character MANG, corresponding to BTS member Zheng Haoxi.
The co-branded headphone model is MINISO-T310 and is manufactured by Shenzhen Lamett Technology. The teardown diagram shows that the headset uses the Zhongke Lanxun AB5656C2 Bluetooth audio SOC with a silk screen of "C1618C". This chip has been used in TWS headset products co-branded by MINISO and Barbie.
IT Home Inquiry Zhongke Lanxun official website learned that the AB5656A2 Bluetooth audio SoC uses a 32-bit 125MHz RISC-V processor with DSP instructions, built-in 113KB memory and 2Mbit flash memory, in line with Bluetooth 54 specification with 16-bit single-channel DAC and 16-bit single-channel ADC with built-in power management module.
According to the information in the manual, the MINISO T310 co-branded headphones support Bluetooth 53. The battery capacity of the earphone body is 40mAh, and the battery life is 65 hours; The charging case has a battery capacity of 360mAh and is powered using a Type-C interface. The test report says that the headset only supports classic Bluetooth audio and does not support le audio.
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