Feature: 1. HIGH DYNAMIC RANGE: Wireless earbuds feature high dynamic range, providing you with superior sound whether you're at the gym, watching a show, or connecting with others over the phone. 2. BLUETOOTH 5.3: Bluetooth sport earbuds feature bluetooth 5.3 with a 50% signal boost and offer less latency. Ensures a stable connection in complex environments. 3. NOISE CANCELLATION: Bluetooth earphones can be used with either ear and automatically pair when charged and taken out again. Intelligent noise cancellation for clear calls. 4. 24 HOURS TOTAL BATTERY LIFE: Wireless sports earphones can be used normally for 3‑4 hours on a full charge, with a charging case for 24 hours total battery life. 5. COMFORTABLE WEAR: Bluetooth 5.3 headphones are designed with comfortable ear hooks, firm support, suitable for all kinds of ears, and comfortable to wear for a long time. Specification: Item Type: Wireless Earbuds Material: ABS, PU Model: M30 Bluetooth Version: V5.3 Transmission Distance: Approx. 10m/32.8ft Sensitivity: 95db Charging Time: 1-2h Use Time: 3-4h Standby Time: 120 Hours Battery Capacity: 50mAh Lithium Battery For Headset, 350mAh Lithium Battery For Charging Compartment (Included). Package List: 2 x Wireless Earbuds1 x Charging Case1 x Charging Line