EASILY CONTROL MUSIC - Supports 35 Buddhist songs, play next/previous song, repeat single song, and adjust volume level. PLAY ALL DAY - Electronic Buddhist chanting player with built-in premium battery, rechargeable via USB, provides extended playback time. EXTERNAL MEMORY SUPPORT - Equipped with a card slot to play additional Buddhist songs from a microSD card (sold separately). PORTABLE DESIGN - Compact and lightweight with a lanyard for easy carrying, ideal for use at home or on the go. Specifications: Material: ABS Plastic Color: Natural Wood Battery: 3.7V 300mAh Lithium Battery Charge Port: USB External Memory Card Slot: Yes Dimensions: 6.8 x 7.7 x 5.0 cm / 2.67 x 3.03 x 1.96 in Net Weight: 105g / 3.70oz Package Size: 8.5 x 8.5 x 5.5 cm / 3.34 x 3.34 x 2.16 in Package Weight: 147g / 5.18oz Note: Device and charging cable included only. Other items shown are not included. Due to manual measurement, slight variations may occur. Color may vary slightly due to lighting. Packing List: 1 x Buddhist Chanting Player 1 x Charging Cable