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Red wireless earbuds in a rectangular charging case that doubles as a power bank

UMIDIGI

UMIDIGI TWS2 True Wireless Earphones Power Bank Red 5200mAh

SKU CH-S1NA-ZH5GT

True wireless earphones with a 5200 mAh charging case that also powers other devices via 5 V/2 A output

  • ColorRed
  • Bluetooth 5.0 keeps audio stable and synced
  • 40 mAh earbud cells deliver hours of play per charge
  • 5200 mAh case battery recharges earbuds many times over
  • 5 V 2 A output powers a phone in a pinch
  • Compact 12.6 x 8.6 x 3.6 cm case slips into any pocket

True Wireless Earphones with Power Bank

The UMIDIGI TWS2 combines true wireless earphones with a built-in power bank in a red finish. It uses Bluetooth 5.0 with HFP, HSP, A2DP and AVRCP protocols for broad device compatibility. The compact charging case measures 12.6 by 8.6 by 3.6 centimetres for easy transport. This suits users who want audio and device charging in one pocketable unit.

Sustained Use Behaviour

Each earphone holds a 40 mAh battery while the case stores 5200 mAh, allowing many recharge cycles between wall charges. The case delivers 5V at 2A output to top up a phone or other USB device during extended sessions. Earphones connect automatically when removed and disconnect when replaced, reducing manual steps during repeated use. The ergonomic shape aims to stay comfortable over long listening periods.

Thermals Noise and Power Draw

The low-power Bluetooth 5.0 link and small 40 mAh earphone cells generate minimal heat during normal playback. No active cooling is present, so operation stays silent in quiet environments. The case charges connected devices at 5V and 2A, drawing modest power from its 5200 mAh reserve. The small 12.6 by 8.6 by 3.6 centimetre enclosure dissipates warmth passively without fan noise.

Highlights

  • Bluetooth 5.0 keeps audio stable and synced
  • 40 mAh earbud cells deliver hours of play per charge
  • 5200 mAh case battery recharges earbuds many times over
  • 5 V 2 A output powers a phone in a pinch
  • Compact 12.6 x 8.6 x 3.6 cm case slips into any pocket

Specifications

ColorRed

Questions about this item

How much heat or noise do the UMIDIGI TWS2 earphones generate during all-day use?

The earphones are passive audio devices with no fans or moving parts, so they produce no audible noise and negligible heat while playing music or taking calls throughout the day.

What device must I already own to pair and use these earphones?

You need a smartphone, tablet or computer that supports Bluetooth 5.0 with HFP, HSP, A2DP or AVRCP profiles to establish a wireless connection.

Will the charging case work with an older phone that only has USB-A ports?

The storage box delivers 5V/2A power output via its USB port, so it can charge legacy devices that accept standard USB-A 5V input.

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