Bose Frames Alto Blk Row

Bose Frames AltoCarry caseCharging cableCloth bagFrames Alto M/L54 mm ? 21 mm ? 136 mm (Lens width ? Distance between lenses ? Temple length)Weight:45 gBattery charging time: Up to 2 hoursBattery life: Up to 3.5 hours of streaming music playbackBluetooth range: 30 ft (9 m)1 integrated microphoneBose Frames AltoCarry caseCharging cableCloth bagFrames Alto M/L54 mm ? 21 mm ? 136 mm (Lens width ? Distance between lenses ? Temple length)Weight:45 gBattery charging time: Up to 2 hoursBattery life: Up to 3.5 hours of streaming music playbackBluetooth range: 30 ft (9 m)1 integrated microphone