3.31 x 2.83 x 1.38 inches

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🎵【Digital Battery Display & 60H Playback】Built-in dual LED digital power display, allows you to grasp the remaining power of the charging case and the charging status of the earbuds in real-time. 300mAh battery capacity charging case can provide 6 times full charging for both earbuds, each earbud can last 5H on single charging, so you can enjoy 60H music time in total via using in turn.
🎵【Reliable Bluetooth 5.3 Technology】 Lastest Bluetooth 5.3 chip technology creates an unbreakable connection between your device and wireless headset for skip-free audio even in busy spaces. Greatly improve the transmission speed, providing faster one-step pairing connection speed, more stable transmission and lower power consumption than Bluetooth 5.2, bring you with a ultra-low latency listening experience. The OVP chip is used to provide a stable output voltage for the battery to prevent overcharge damage to the earphones.