Amazon has the Syllable Wireless Headphones Carried with Replaceable Batteries in $47.99 after Coupon Code “BVG4KANP” with FREE shipping.
Product Features:
- REPLACEABLE BATTERIES: Syllable wireless earbuds D9X carried with 4 replaceable 80mAh batteries and 400mAh smart charging case. Each battery can work more than 90 minutes and each pair batteries can be fully charged 1 time. “Freely cycle charging make sure never power off.”
- BLUETOOTH QUICK CONNECTION: Intelligently automatic connect your Bluetooth devices in 2s after you replace batteries, which can avoid manual starting up troubles to guarantee listening experience.
- ADOPT DSP TECHNOLOGY: To enhance the electricity of low frequency band automatically, when the volume is very low, you also can hear the powerful shocking bass.
- STYLISH ULTRA LIGHT & SMALL DESIGN: The headphones is less than 0.5g and the max length of earbuds side is just 30mm. The small and light body design is more comfortable and portable.