Suitable for most necked instruments

[Features]: Supports MP3 input for playing music along with guitar performance

【Water Saving】Shower head uses micro nozzle technology

Support surface finish: polished

21 Keys: 138 × 180 × 20mm

Smart Watch with Bluetooth Calling – Heart Rate & Fitness Tracking Color:Black Leather Suitable for most necked instrumentsProduct information: Display screen: 1. 39 inches 360 * 360px CPU: Ruiqi 8763E Acceleration Sensor: Silicon Rui QAM6100 Heart rate blood oxygen: photoelectric infrared 3605 chip Waterproof grade: IP67 Bluetooth: BT 5. 2 Battery capacity: 320mAh System: Android 4. 4 and above, iOS 9. 0 and above Body Temperature, Heart Rate, Bluetooth Calling, Smart Watch Size: Packing list: Watch * 1, Charging Cable * 1, Instruction Manual * 1 Product Image: