Product Information: Operating voltage DC3V(2pcs AAA battery) Work frequency 3MKHZ ±15% Comprehensive sensitivity distance at 200mm,not less 90dB Fetal heart rate measurement range 50BPM~210BPM Measurement accu
Hospital Equipment Fetal Heart Doppler with Head Phone Quality for
Sonotech Fetal Heart Dopplers
Fetal Heat Doppler for Personal Use - Sonotech® Xpress - Meditech
Pocket Fetal Doppler I Baby Heartbeat Doppler I Buy Best Baby Doppler
Sonotech® 5 Fetal Doppler Wire and Wireless ultrasonic probe 2.5Mhz
Sonotech Lite Fetal Heart Doppler with Head Phone Quality for
Sonotech Lite Fetal Heart Doppler with Head Phone Quality for
BlissBeat Fetal Doppler, Baby Heart Rate Monitor, Loved by Moms
Wholesale Heart Beat Doppler - Buy Reliable Heart Beat Doppler from Heart Beat Doppler Wholesalers On Made-in-China.com
Sonotech Lite Fetal Heart Doppler with Head Phone Quality for
portable fetal doppler, portable fetal doppler Suppliers and