Specification: Bluetooth Version: BESV4.2 Headphone battery capacity: 50mAh*2/3.7V (polymer lithium battery) Charging bin capacity: 500mAh, 3.7V Play time: 2.5 hours Standby time: 50H charging voltage: 5V-1A Charging time: 2 hours for headphones; 2.5-3.5 hours for charging bins Horn specifications: φ8mm,32Ω,3mW×2 Frequency response: 20-20KHz SNR: > 98 dB Distortion: <3% Product size: 46.4 x 18.5 x 19.5 mm Battery bin size: 64.5 *57 *27mm Bare machine weight: 53g Gross weight: 109 G Packing Number: Small 8 pcs, Large 96 PCs Box Specification: 300*135*240mm
Features: 1. Half-in-ear design, firm and comfortable to wear. 2. Mobile charging cabin, charging and receiving two in one. 3. Continuous power supply, long endurance 50H, 500mAh large capacity for headphone charging 4-5 times. 4. True wireless separate dual fuselage, single and double fuselage separated and combined. 5. Automatically Matched Connection to Open Simple Life. 6. Shock HIFI stereo, 8mm moving coil speaker unit, reproduce the original sound feast. 7. Imported MEMS microphone, high-definition noise reduction and noise filtering, easy to listen and speak.