Foldable Waterproof Referee Mobile Bluetooth Earphone

Description:
Enjoy powerful sound and long-lasting performance with these stereo Bluetooth headphones. Designed with wireless convenience and foldable portability, they feature noise-reducing audio, a built-in microphone, and comfortable earmuffs for an enhanced listening experience whether for music, calls, or gaming.

• Bluetooth Version: CSR 4.01 + EDR
• Wireless range: up to 10m
• Supports HSP, HFP, A2DP, AVRCP
• 40mm speaker drivers for clear sound
• Frequency range: 20Hz – 20kHz
• Impedance: 32Ω
• Built-in microphone with -54dB sensitivity
• Microphone impedance: 2.2kΩ
• TF card support up to 16GB
• Rechargeable 3.7V / 160mAh battery
• Music playback: up to 10 hours
• Talk time: up to 11 hours
• Standby time: up to 250 hours
• Charging time: about 2 hours
• Charging port: Micro USB
• Wired option: 3.5mm plug with 1m audio cable
• Foldable design for portability
• Earmuff diameter: 7.5cm
• Size (folded): 18.5 × 16 × 7.5 cm

Package Includes:
• 1 × Stereo Bluetooth Headphones