Sound + Shades is the perfect solution for a busy business team that supports cycling culture, offering sunglasses with built-in speakers that deliver excellent sound quality to enhance the biking experience. This high-tech promotional product encourages positive physical activity, whether at the office or on the go. The wireless Bluetooth audio sunglasses feature Bluetooth version V5.0 QCC3034, support Bluetooth profiles such as HSP, HFP, A2DP, and AVRCP, and provide up to 6 hours of talk time and about 5.5 hours of music playback at 50% volume. With a charging time of about 1.5 hours, a rechargeable 95mAh Li-polymer battery, and an ergonomic design made for cycling, these sunglasses are also IPX7 waterproof, feature Qualcomm AptX, and offer UVA/UVB protection.