➤Bluetooth 5.0 & Hi-Fi Stereo - High-quality HI-FI stereo is equipped with advanced true wireless Bluetooth 5.0 chip, which can provide deep and powerful bass and balanced audio clear, providing you with a wonderful music world.➤IPX5 waterproof Sweatproof - Wireless earbuds and charging box use nano-coating and the latest waterproof and sweat-proof technology to effectively prevent splash damage from sweat and Raind-rops.➤Comfortable Fit - Adopting ergonomic in-ear design & 3 different sizes skin-friendly rubber ear-tip, these wireless Bluetooth headsets will not fall even when you are moving.➤Smart touching Control - Bluetooth earbuds can largely minimize the pressure to your ears when you touching the button. By tapping the wireless earbuds, you can easily control play/pause, Ans-wer the phone and adjust the volume, and activate siri.➤Quick Pairing - Simply take 2 headsets out from the charging case, and they will connect each other automatically and then only-ONE-STEP easily enter mobile phone Bluetooth setting to pair the earbuds.➤Details: Bluetooth Standard: V5.0+DSR➤Operation Range: <10m➤Talk Time: about 4 Hours➤Music Time: 4 Hours ➤Standby Time: 100 Hours➤Charging Time: 40 minutes➤Charging Voltage: DC/5V➤Manipulation Mode: Button1 x A pair of headphones1 x Charging bin1 x USB data cable1 x Instructions2 Pairs of spare earmuffs