TWS Wireless Charging Bluetooth Earphone Test 100% one by one before sending, quality assurance, worry-free after-sale. There are printing codes on the phone case and earphone watch Answering the phone: about 3-4 hours Welcome to our store!10 years of professional earphone factory, Add to Favorite Items.Good quality and Superior customer
Features ACOUSTIC NOISE CANCELLING - Continuously measures, compares and reacts to outside noise. Then cancels it with the opposite signal. ADJUSTABLE NOISE CANCELLATION - Use the Action button to adjust between three settings. VOLUME-OPTIMISED EQ - For consistent performance at any volume. VOICE PROMPTS - Well talk you through Bluetooth pairing.