NEXFOUR SoundWave A19-M16 Wireless Headphones

NEXFOUR SoundWave (A19-M16) Wireless Headphones

Experience premium acoustic engineering and superior power efficiency with the NEXFOUR SoundWave series. Designed for seamless connectivity, high-fidelity sound, and all-day comfort.

Key Specifications:

• Chip: JL7006F4, Bluetooth V5.4
• Supported Protocols: A2DP, AVRCP, HFP, HID, AVCTP, AVDTP, SPP
• Transmission Range: 15 meters (no obstacles)
• Sensitivity:
• Frequency Response: 20 ~ 20000Hz
• Speaker Unit: Φ40mm
• Microphone: 4013 Round Mic, -39±2dB
• Battery: 3.7V Li-polymer Battery, 300mAh with protection circuit board
• Charging Time: 1-2 hours
• Playback Time: About 30 hours continuous playback at full volume (actual test)

Product Details:

• Brand: NEXFOUR
• Origin: China
• MOQ: 1000PCS

Available Colors: Black/White | other color MOQ is 2000pcs