Aiwa ESP-350BK Black

General Specifications Ergonomic earbuds Twin Completely Wireless Featherweight earbuds Can Use One Earbud (Mono) or Both (Stereo) Portable Recharging Case with Advanced Lithium battery inside Bluetooth connection V5.0 Battery Battery Capacity: 460mAh (Case), 80 mAh (Earbuds) Playing Time: 12 hours on Full Charge ( 3x Charge Cycles). Fast Recharging time 1.5 hours Audio Specifications Hyperbass Quality Power of 2x6W RMS Earphone Driver Audio Frequency Range: 50Hz-20,000Hz Connection Specifications True Wireless Stereo Earphones Bluetooth connection V5.0 Wireless Range: 10m (30 Ft.) Operating range up to 10 meters Music format: MP3 /WMA /WAV /APE /FLAC Features Dual Microphones built-in Touch Controls (Both Earbuds) Custom Fit Silicone Tips Included in 3 sizes (S,M,L) Compatible with Android, iOS and Windows devices Dimensions carrying case: 71.5 x 30.9 x 31.7 mm Weight charging case: 40g approximately Headphones weight: 5.2g x 2 approximately