Pairing and sound output have been confirmed. The earphones sound good and the battery is in good condition. The indicator light on the charging case is unstable, but the earphones can be charged without any problems. Thank you. Fully wireless earphones Soundcore Life Note E A3943N31 Navy Brand: Anker Soundcore (Anker) Wearing style: Separate left and right, completely independent Earphone/Headphone type: Canal type Color: Navy Wireless/Wired connection: Wireless Earphone/Headphone features: Microphone, Sound quality adjustment, Waterproof, Splash-proof, Remote control Low-frequency range (Hz): 20.0 Hz High-frequency range (kHz): 20.0 kHz Impedance (Ω): 16.0 Ω Wireless standard: Bluetooth Bluetooth codec: AAC, SBC IP standard (waterproof standard): IPX5 Drive method: Dynamic type Driver size (mm): 10.0 mm Charging port: USB Type-C Charging time: 2.0 hours Weight (g): 8.8 g