Auscultadores In-Ear sem fios ESPERANZA EH238K — Bluetooth 5.3, 2,4 GHz, alcance 10 m, bateria 230 mAh, controlo tátil, preto

ESPERANZA EH238K are in-ear wireless headphones designed for travel and recreation. They combine Bluetooth 5.3 and a 2.4 GHz transmitter for flexible wireless connectivity, offer touch controls plus physical volume buttons, and have a compact design with a total weight of 90 g and black plastic housing. The built-in rechargeable battery supports several hours of talk or music playback and a USB‑C charging cable and user guide are included.

Advantages

The headphones provide dual wireless options (Bluetooth 5.3 and 2.4 GHz) with up to 10 m operating distance, simple touch control supplemented by volume buttons, and an integrated LiPo battery that delivers up to 4 hours of talk time and about 3 hours of continuous audio playback. The set includes a short USB‑C cable for charging and is lightweight for travel.

Suitable for

• Travel and commuting
• Recreational listening
• Hands‑free phone calls
• Use with Bluetooth‑enabled devices and 2.4 GHz transmitters

Key specifications

• Wearing style: In‑ear (intraaural)
• Connectivity: Bluetooth 5.3 and 2.4 GHz wireless
• Bluetooth profiles: A2DP, AVRCP, HFP, HSP
• Maximum operating distance: 10 m
• Volume control: Touch control and physical buttons
• Frequency response: 20–2000 Hz
• Battery: Built‑in LiPo, total set capacity 230 mAh; earbud capacity 30 mAh
• Talk time: Up to 4 hours; Continuous audio playback: ~3 hours
• Charging: USB‑C cable included (0.2 m)
• Weight: 90 g
• Frame material: Plastic

How to use

Charge the headphones using the supplied USB‑C cable until fully charged. Pair with a Bluetooth device by enabling Bluetooth on the source device and selecting the headphones from the device list; alternatively, connect via the 2.4 GHz transmitter if available. Use touch controls for playback and call handling and the physical buttons to adjust volume. Wear the earbuds in the ear canal (in‑ear fit) for best sound isolation and call quality.

Recommendations

For optimal battery life and performance, fully charge the headphones before first use, avoid exposing them to extreme temperatures, and disconnect from devices when not in use. Clean ear tips regularly and store the headphones in a dry place.