This wireless Bluetooth cable adopts high-end chip to create a hifi sound to make sound super clear, and comes with a 120mAh large capacity battery to make it play for 8 hours and stand by for up to 100 hours. And, it is waterproof. Furthermore, it is suitable for Sennheiser. Features: Clear Music - High-end chip enables this wirelss Bluetooth cable to create a hifi sound with no noise to let you listen to music clearly. 8-hour Play/100-hour Standby - Large capacity battery up to 120mAh enables it to play for about 8 hours and stand by for up to 100 hours. IP5X Life Waterproof - It is life waterproof. 10m Bluetooth Connection - Long Bluetooth connection distance up to 10m. Widely suitable for Sennheiser IE80/IE80s. Specification: Product type: Wireless Bluetooth Cable Material: TPE+ABS Cable length: approx. 1.2m Bluetooth chip: CSR8645, TAIWAN 1522s for your choice Color: Black Battery capacity: 120mAh Play time: 7-8 hours Standby time: up to 100 hours Bluetooth connection distance: 10m Charging time: 1-2 hours Charging port: Micro USB/DC 5V/120mA Sound adjustment: Support Microphone: Support Package size: approx. 10.5 * 9.5 * 3.8 cm/ 4.1 * 3.7 * 1.5 in Package weight: 73g/ 2.6oz Package List: 1 * Wireless Bluetooth Cable 1 * USB Charging Cable 1、Clear Music - High-end chip enables this wirelss Bluetooth cable to create a hifi sound with no noise to let you listen to music clearly. 2、8-hour Play/100-hour Standby - Large capacity battery up to 120mAh enables it to play for about 8 hours and stand by for up to 100 hours. 3、IP5X Life Waterproof - It is life waterproof. 4、10m Bluetooth Connection - Long Bluetooth connection distance up to 10m. 5、Widely suitable for Sennheiser IE80/IE80s.