Tech Desk 
Oct 30, 2024
Xiaomi expanded its wearables lineup with the launch of the Xiaomi Watch S4 and Smart Band 9 Pro in China, along with the highly-anticipated Xiaomi 15 series.
Xiaomi Watch S4 specs
The Xiaomi Watch S4 boasts a 1.43-inch circular AMOLED screen with a 60Hz refresh rate and 1,500nits of global peak brightness. The smartwatch runs on HyperOS 2 and features various health indicators such as heart rate, blood oxygen, stress level, and menstrual cycles.
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The Xiaomi Watch S4 is backed by a 486mAh battery which is claimed to offer a battery life of up to 15 days. The eSIM version is claimed to last for up to seven days.
Xiaomi Smart Band 9 Pro specs
The Xiaomi Smart Band 9 Pro sports a 1.74-inch 2.5D curved AMOLED display with up to 2,000nits of brightness. Packed with a 350mAh battery, the Smart Band 9 Pro is claimed to provide a usage time of up to 21 days.
However, with the Always-On Display turned on, the battery would last for up to 10 days.
Xiaomi Watch S4, Smart Band 9 Pro price
The Xiaomi Watch S4 with the black and silver rubber strap options is available for CNY 999. However, the Black Rainbow strap variant and the eSIM version with leather strap are priced at CNY 1,199.
The Xiaomi Smart Band 9 Pro price starts at CNY 399, while the leather strap variant is priced at CNY 449. Both wearables are available in China via the Xiaomi China e-store.
