• U-shaped curved semi-in-ear structure: The new technology U arc sound cavity structure fits firmly in the ear canal
• New Bluetooth-compatible V5.4: The new Bluetooth-compatible V5.4 technology, excellent anti-interference effect
• Al noise reduction: Effectively filtering environmental noise to reduce external interference
• 13mm speaker unit: 13mm composite metal dynamic coil heavy bass reinforced stereo surround sound

Specifications:

• Material: ABS
• Bluetooth-compatible version: V5.4
• Transmission distance: ≥ 10m
• Speaker size: 13mm
• Earphone battery: 28mAh
• Charging case battery: 200mAh
• Earphone usage time: about 3.5 hours
• Earphone charging time: about 1 hour
• Charging case charging time: about 1 hour