Listen to your favorite tunes endlessly with the KDM-A1 Bro pods, and the hands-free calling keeps you engaged in your professional and personal realms without disturbances. With our lightweight device’s 24-hour playtime, you’ll never run out of power. Wireless Version- 5.1 Speaker Size- 10mm Battery Capacity- 310 mAh Standby Time- over 4320 Hr Transmission Distance- 10m Music Time- 24 hr Using Time- 5 hr Music Charging Time- 2 Hours Calling Time- 6 hr Calling Charging Type- Type-C