• 【Advanced Bone Conduction Technology】Sounder X15 utilizes 16mm bone conduction transducers to deliver clear audio without blocking your ears, ideal for sports and outdoor activities.

• 【Long-lasting Battery Life】Enjoy up to 8 hours of playtime at 70% volume, with 6 hours of talk time, ensuring your music and calls last throughout your day.

• 【Durable and Water-resistant】With an IPX56 rating, these earphones are protected against sweat and light rain, perfect for intense workouts and outdoor adventures.

• 【Bluetooth-compatible 5.4 Connectivity】Equipped with the latest Bluetooth 5.4 chip, these headphones offer faster pairing, lower power consumption, and stronger signal stability than previous versions.
• 【ENC Environmental Noise Cancellation】Featuring built-in ENC (Environmental Noise Cancellation), the integrated microphone actively reduces background noise during calls for crystal-clear conversations.

Specifications:

• Chip and model: JL7006
• Bluetooth-compatible version: 5.4
• Battery capacity: 140mAh
• Play time: 8H@70% volume
• Talk time: 6H@70% volume
• Standby time: 240 hours
• Charging time: 2-3 hours
• Waterproof level: IPX56
• Product size: 13.2cm x 10.6cm x 4.3cm
• Net weight: 26g
• Wireless working range: 10 meters
• Speaker sensitivity: 86±3dB
• Supported protocols: A2DP 1.3, HFP 1.7, AVRCP 1.6
• Speaker frequency: 180hz-16000Hz
• Input current/voltage: 5V/100mA
• Material: TPE+ABS+silicone+titanium alloy memory steel wire
• Microphone sensitivity: -42±1dB (0dB=1V//Pa)
• Microphone signal-to-noise ratio: 59dB SPL
• Microphone distortion THD: less than 0.1% 94 dB SPL @ 1kHz
• Microphone impedance: 400Ω
• Speaker type: 16mm vibrator
• Speaker impedance: 8Ω
• Frequency response: 20HZ-20KHZ
• Rated power: 500mW