Camera Macro Adapter Ring Close-Up Adapter for Canon EF Lens / EF-S Lens Tag-iPad 7 (2019) Speaker (Rx): Frequency response 140Hz

Speaker (Rx): Frequency response 140Hz - 16KHz

the earphones will be automatically turned on and paired when they are taken out of the charging box

Surface Pro 2

Mode: Coaxial / Fiber Optic / USB Flash Drive / Bluetooth

Camera Macro Adapter Ring Close-Up Adapter for Canon EF Lens / EF-S Lens Tag-iPad 7 (2019) Speaker (Rx): Frequency response 140Hz1. Material: ABS plastic + metal 2. Product specifications: 13mm, 21mm, 31mm 3. Scope of application: For Canon EF lens and EF S lens 4. Similar to macro combination, which can be flexibly combined into different focal lengths 5. Built in gold plated electronic electric shock, with excellent metering and auto focus functions Specification: Package Weight One Package Weight 0. 19kgs 0. 43lb One Package Size 10cm * 9cm * 9cm 3. 94inch * 3. 54inch * 3.