Stable BT technology, compatible with almost all audio devices that support BT.
Built-in HD microphone, CVC noise cancellation technology enhances call audio transmission performance, clear sound transmission, and high-quality calls.
Hands-free call and multipoint connection, release your hands to ensure safe driving, and connect two smartphones at the same time.
Collar clip design, retractable cable technology, after finishing your call, retract your cable with a single push of a button (build-in 30cm cable).
Built-in 70mah battery can be rechargeable, long battery life, can provide up to 5 hours of talk time, about 5 hours of music time and about 75 hours of standby time.
Features: Stable BT technology, compatible with almost all audio devices that support BT. Built-in HD microphone, CVC noise cancellation technology enhances call audio transmission performance, clear sound transmission, and high-quality calls. Hands-free call and multipoint connection, release your hands to ensure safe driving and connect two smartphones at the same time. Collar clip design, retractable cable technology, after finishing your call, retract your cable with a single push of a button (build-in 30cm cable). Built-in 70mah battery can be rechargeable, long battery life can provide up to 5 hours of talk time, about 5 hours of music time, and about 75 hours of standby time. Specification: Model: K52 BT Version: 4.1 Battery: 70mAh Standby Time: about 70 hours Talk Time: about 5 hours Power Adapter: DC5V 1A Charging Time: about 2 hours Frequency: 2.4GHZ Color: Silver, White Item Size: 7*2.5*2cm/2.76*0.98*0.79in Item Weight: 17g/0.6oz Package Size: 17*9*3cm/6.69*3.54*1.18in Package Weight: 70g/2.47oz Package List: 1 * Headset 1 * USB Charging Cable 1 * User Manual